Resolver 12.3-17.3+5.9-9.2+18.9-24.9+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6

$$12.3-17.3+5.9-9.2+18.9-24.9+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Calcular

$$29.9$$

Pasos da solución

Resta 17.3 de 12.3 para obter -5.

$$-5+5.9-9.2+18.9-24.9+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -5 e 5.9 para obter 0.9.

$$0.9-9.2+18.9-24.9+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 9.2 de 0.9 para obter -8.3.

$$-8.3+18.9-24.9+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -8.3 e 18.9 para obter 10.6.

$$10.6-24.9+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 24.9 de 10.6 para obter -14.3.

$$-14.3+14.5-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -14.3 e 14.5 para obter 0.2.

$$0.2-18.3+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 18.3 de 0.2 para obter -18.1.

$$-18.1+22.7-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -18.1 e 22.7 para obter 4.6.

$$4.6-5.9+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 5.9 de 4.6 para obter -1.3.

$$-1.3+10.3-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -1.3 e 10.3 para obter 9.

$$9-23.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 23.1 de 9 para obter -14.1.

$$-14.1+16.8-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -14.1 e 16.8 para obter 2.7.

$$2.7-4.7+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 4.7 de 2.7 para obter -2.

$$-2+3.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -2 e 3.9 para obter 1.9.

$$1.9-12.6+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 12.6 de 1.9 para obter -10.7.

$$-10.7+21.5-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -10.7 e 21.5 para obter 10.8.

$$10.8-26.8+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 26.8 de 10.8 para obter -16.

$$-16+13.2-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -16 e 13.2 para obter -2.8.

$$-2.8-2.7+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 2.7 de -2.8 para obter -5.5.

$$-5.5+18.3-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -5.5 e 18.3 para obter 12.8.

$$12.8-7.7+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 7.7 de 12.8 para obter 5.1.

$$5.1+19.2-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma 5.1 e 19.2 para obter 24.3.

$$24.3-11.6+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 11.6 de 24.3 para obter 12.7.

$$12.7+2.9-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma 12.7 e 2.9 para obter 15.6.

$$15.6-15.9+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 15.9 de 15.6 para obter -0.3.

$$-0.3+7.3-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -0.3 e 7.3 para obter 7.

$$7-24.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 24.1 de 7 para obter -17.1.

$$-17.1+19.6-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -17.1 e 19.6 para obter 2.5.

$$2.5-15.5+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 15.5 de 2.5 para obter -13.

$$-13+17.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -13 e 17.2 para obter 4.2.

$$4.2-14.2+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 14.2 de 4.2 para obter -10.

$$-10+19.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -10 e 19.4 para obter 9.4.

$$9.4-18.7+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 18.7 de 9.4 para obter -9.3.

$$-9.3+4.7-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -9.3 e 4.7 para obter -4.6.

$$-4.6-11.6+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 11.6 de -4.6 para obter -16.2.

$$-16.2+14.8-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -16.2 e 14.8 para obter -1.4.

$$-1.4-23.2+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 23.2 de -1.4 para obter -24.6.

$$-24.6+21.9-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -24.6 e 21.9 para obter -2.7.

$$-2.7-14.1+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 14.1 de -2.7 para obter -16.8.

$$-16.8+19.2-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -16.8 e 19.2 para obter 2.4.

$$2.4-9.8+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 9.8 de 2.4 para obter -7.4.

$$-7.4+6.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -7.4 e 6.7 para obter -0.7.

$$-0.7-1.9+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 1.9 de -0.7 para obter -2.6.

$$-2.6+13.5-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -2.6 e 13.5 para obter 10.9.

$$10.9-19.3+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 19.3 de 10.9 para obter -8.4.

$$-8.4+5.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -8.4 e 5.2 para obter -3.2.

$$-3.2-9.1+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 9.1 de -3.2 para obter -12.3.

$$-12.3+25.1-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -12.3 e 25.1 para obter 12.8.

$$12.8-21.6+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 21.6 de 12.8 para obter -8.8.

$$-8.8+13.7-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -8.8 e 13.7 para obter 4.9.

$$4.9-8.3+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 8.3 de 4.9 para obter -3.4.

$$-3.4+3.9-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -3.4 e 3.9 para obter 0.5.

$$0.5-16.8+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 16.8 de 0.5 para obter -16.3.

$$-16.3+12.1-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -16.3 e 12.1 para obter -4.2.

$$-4.2-7.4+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 7.4 de -4.2 para obter -11.6.

$$-11.6+23.7-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -11.6 e 23.7 para obter 12.1.

$$12.1-12.1+17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 12.1 de 12.1 para obter 0.

$$17.3-12.8+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 12.8 de 17.3 para obter 4.5.

$$4.5+19.1-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma 4.5 e 19.1 para obter 23.6.

$$23.6-24.6+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 24.6 de 23.6 para obter -1.

$$-1+26.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Suma -1 e 26.7 para obter 25.7.

$$25.7-16.8+13.9-5.9+9.7-12.3+15.6$$

Resta 16.8 de 25.7 para obter 8.9.

$$8.9+13.9-5.9+9.7-12.3+15.6$$

Suma 8.9 e 13.9 para obter 22.8.

$$22.8-5.9+9.7-12.3+15.6$$

Resta 5.9 de 22.8 para obter 16.9.

$$16.9+9.7-12.3+15.6$$

Suma 16.9 e 9.7 para obter 26.6.

$$26.6-12.3+15.6$$

Resta 12.3 de 26.6 para obter 14.3.

$$14.3+15.6$$

Suma 14.3 e 15.6 para obter 29.9.

$$29.9$$

Factorizar

$$\frac{13 \cdot 23}{2 \cdot 5} = 29\frac{9}{10} = 29.9$$