Question

Resolva as expressões abaixo: a) 72 – 15 x (27 : 9 – 1) + 4² = b) (20 : 4 + 3) x 11 : √64 = c) 3 x { 10 + [ 6 : 3 + ( 10 + 4 ) ] + 1 } : 3³ =​

Answer 1

Explicação passo-a-passo:

a)72-15×(27:9-1)+4"

72-15×2+4™

57×2+4™

114+16=130

b)(20:4+3)×11:√64

8×11:√64

88:8=11

3×{10+[6:3+(10+4)]+1}:3™™

3×{10+[6:3+14]+1}:3™™

3×{10+[2+14]+2}:3™™

3×{10+16+1}:3™™™

3×{26+1}:3™™

3×27:3™™™

81:12=675