Question

resolva as expressões

a) 32+7.9-120=

b) 1/2.2+4-3x5=

c) 0,5x2+0,6x3-1,2=

d) 1/2 + 1/3 - 1/4 - 2=

​

Answer 1

Resposta:

a) 32+7.9-120=32+63-120=-25

b) 1/2.2+4-3x5= 1+4-15=-10

c) 0,5x2+0,6x3-1,2= 1+1,8-1,2=1,6

d) 1/2 + 1/3 - 1/4 - 2= 6/12 + 4/12 - 3/12 - 24/12 = -17/12