حل 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

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

تقدير القيمة

$$29.9$$

خطوات الحل

اطرح 17.3 من 12.3 لتحصل على -5.

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

اجمع -5 مع 5.9 لتحصل على 0.9.

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

اطرح 9.2 من 0.9 لتحصل على -8.3.

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

اجمع -8.3 مع 18.9 لتحصل على 10.6.

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

اطرح 24.9 من 10.6 لتحصل على -14.3.

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

اجمع -14.3 مع 14.5 لتحصل على 0.2.

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

اطرح 18.3 من 0.2 لتحصل على -18.1.

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

اجمع -18.1 مع 22.7 لتحصل على 4.6.

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

اطرح 5.9 من 4.6 لتحصل على -1.3.

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

اجمع -1.3 مع 10.3 لتحصل على 9.

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

اطرح 23.1 من 9 لتحصل على -14.1.

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

اجمع -14.1 مع 16.8 لتحصل على 2.7.

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

اطرح 4.7 من 2.7 لتحصل على -2.

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

اجمع -2 مع 3.9 لتحصل على 1.9.

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

اطرح 12.6 من 1.9 لتحصل على -10.7.

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

اجمع -10.7 مع 21.5 لتحصل على 10.8.

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

اطرح 26.8 من 10.8 لتحصل على -16.

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

اجمع -16 مع 13.2 لتحصل على -2.8.

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

اطرح 2.7 من -2.8 لتحصل على -5.5.

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

اجمع -5.5 مع 18.3 لتحصل على 12.8.

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

اطرح 7.7 من 12.8 لتحصل على 5.1.

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

اجمع 5.1 مع 19.2 لتحصل على 24.3.

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

اطرح 11.6 من 24.3 لتحصل على 12.7.

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

اجمع 12.7 مع 2.9 لتحصل على 15.6.

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

اطرح 15.9 من 15.6 لتحصل على -0.3.

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

اجمع -0.3 مع 7.3 لتحصل على 7.

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

اطرح 24.1 من 7 لتحصل على -17.1.

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

اجمع -17.1 مع 19.6 لتحصل على 2.5.

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

اطرح 15.5 من 2.5 لتحصل على -13.

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

اجمع -13 مع 17.2 لتحصل على 4.2.

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

اطرح 14.2 من 4.2 لتحصل على -10.

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

اجمع -10 مع 19.4 لتحصل على 9.4.

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

اطرح 18.7 من 9.4 لتحصل على -9.3.

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

اجمع -9.3 مع 4.7 لتحصل على -4.6.

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

اطرح 11.6 من -4.6 لتحصل على -16.2.

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

اجمع -16.2 مع 14.8 لتحصل على -1.4.

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

اطرح 23.2 من -1.4 لتحصل على -24.6.

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

اجمع -24.6 مع 21.9 لتحصل على -2.7.

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

اطرح 14.1 من -2.7 لتحصل على -16.8.

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

اجمع -16.8 مع 19.2 لتحصل على 2.4.

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

اطرح 9.8 من 2.4 لتحصل على -7.4.

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

اجمع -7.4 مع 6.7 لتحصل على -0.7.

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

اطرح 1.9 من -0.7 لتحصل على -2.6.

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

اجمع -2.6 مع 13.5 لتحصل على 10.9.

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

اطرح 19.3 من 10.9 لتحصل على -8.4.

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

اجمع -8.4 مع 5.2 لتحصل على -3.2.

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

اطرح 9.1 من -3.2 لتحصل على -12.3.

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

اجمع -12.3 مع 25.1 لتحصل على 12.8.

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

اطرح 21.6 من 12.8 لتحصل على -8.8.

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

اجمع -8.8 مع 13.7 لتحصل على 4.9.

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

اطرح 8.3 من 4.9 لتحصل على -3.4.

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

اجمع -3.4 مع 3.9 لتحصل على 0.5.

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

اطرح 16.8 من 0.5 لتحصل على -16.3.

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

اجمع -16.3 مع 12.1 لتحصل على -4.2.

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

اطرح 7.4 من -4.2 لتحصل على -11.6.

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

اجمع -11.6 مع 23.7 لتحصل على 12.1.

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

اطرح 12.1 من 12.1 لتحصل على 0.

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

اطرح 12.8 من 17.3 لتحصل على 4.5.

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

اجمع 4.5 مع 19.1 لتحصل على 23.6.

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

اطرح 24.6 من 23.6 لتحصل على -1.

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

اجمع -1 مع 26.7 لتحصل على 25.7.

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

اطرح 16.8 من 25.7 لتحصل على 8.9.

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

اجمع 8.9 مع 13.9 لتحصل على 22.8.

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

اطرح 5.9 من 22.8 لتحصل على 16.9.

$$16.9+9.7-12.3+15.6$$

اجمع 16.9 مع 9.7 لتحصل على 26.6.

$$26.6-12.3+15.6$$

اطرح 12.3 من 26.6 لتحصل على 14.3.

$$14.3+15.6$$

اجمع 14.3 مع 15.6 لتحصل على 29.9.

$$29.9$$

تحليل العوامل

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