Question

calcule o valor das expressões :
B) (30-5×6):(7×2×10)×(40-30+5)​

Answer 1

Resposta:

(30-5×6):(7+2×10)×(40-30+5)

(0):(27)×(15)

(0):(27)=0 (propriedade)

0×(15)=0

Answer 2

Resposta:

$\left(30-5\times \:6\right)\div \left(7\times \:2\times \:10\right)\times \left(40-30+5\right)\\\\30-5\times \:6\\\\30-30\\\\0\\\\\\0\div \left(7\times \:2\times \:10\right)\times \left(40-30+5\right)\\\\7\times \:2\times \:10\\\\14\times \:10\\\\140\\\\\\0\div \:140\times \left(40-30+5\right)\\\\40-30+5\\\\10+5\\\\15\\\\\\0\div \:140\times \:15\\\\0\times \:15\\\\0$