Question

calcular o valor da expressão [30-(72-8x8)+(15-4x3)-(2x3+7)+7]

Answer 1

[30- (72 -8 ×8)+(15 -4 × 3)-(2 × 3+7)+7]
[30- (72 - 64 )+(15 - 12)-(6+7)+7]
[30- 8 + 3 - 13 +7]
[22 -10 +7]
[12 +7]
19

Resposta: 19

Answer 2

Olá,

Vamos lá,

 =[30-(72-8x8)+(15-4x3)-(2x3+7)+7]
= [30-(72-64)+(15-12)-(6+7)+7]
= [30-(8)+(3)-(13)+7]
= [30-8+3-13+7]
= 19

Resposta: 19