Question

A )21 + 4 + 16 ÷ 4 + 5 - 15 ÷ 3)
B) 75 - 3 x 48 + 9 x 2 - 2 + 19)

C) 73 - 32 + 12 - 6 + 7 - 4)

D) 27 + 3 x 10 - 54 ÷ 8 + 2 x 6 - 2 + 8)
conta completa pfv

Answer 1

Explicação passo-a-passo:

a) 21+4+(16÷4)+5-(15÷3)

25+4+5-5= 29

b) 75-(3.48)+(9.2)-2+19

75-144+18+17 = -34

c) 73 -32+12-6+7-4

73-20-3 = 50

d) 27+(3.10)-(54÷8)+(2.6)-6+8

27+30-6,75+12+8

57-6,75+20

77-6,75 = 70,25