Resolver (.2)75+.2(78)+.2(76)+(.2)(81)+.2(84)

$$(.2)75+.2(78)+.2(76)+(.2)(81)+.2(84)$$

Calcular

$$78.8$$

Pasos da solución

Multiplica 0.2 e 75 para obter 15.

$$15+0.2\times 78+0.2\times 76+0.2\times 81+0.2\times 84$$

Multiplica 0.2 e 78 para obter 15.6.

$$15+15.6+0.2\times 76+0.2\times 81+0.2\times 84$$

Suma 15 e 15.6 para obter 30.6.

$$30.6+0.2\times 76+0.2\times 81+0.2\times 84$$

Multiplica 0.2 e 76 para obter 15.2.

$$30.6+15.2+0.2\times 81+0.2\times 84$$

Suma 30.6 e 15.2 para obter 45.8.

$$45.8+0.2\times 81+0.2\times 84$$

Multiplica 0.2 e 81 para obter 16.2.

$$45.8+16.2+0.2\times 84$$

Suma 45.8 e 16.2 para obter 62.

$$62+0.2\times 84$$

Multiplica 0.2 e 84 para obter 16.8.

$$62+16.8$$

Suma 62 e 16.8 para obter 78.8.

$$78.8$$

Factorizar

$$\frac{2 \cdot 197}{5} = 78\frac{4}{5} = 78.8$$