Question

resolver as expressoes
a-2(3x4-15)+6
b--3(-9+18/3)-4
c-2(-2x5+7)-3(18-13)
d--2(8x2-21)+4(15/3-9)
e- 2(-4+3x3)-2(17-18/2)
f- -4(-16/4+7)-(-3-8)

Answer 1

a) 2(3x4-15)+6 = 0
b) -3(-9+18/3)-4 = 5
c) 2(-2x5+7)-3(18-13) = -6-15 = -21
d) -2(8x2-21)+4(15/3-9) = 10+(-16) = -6
e) 2(-4+3x3)-2(17-18/2) = 10-64 = -54
f) -4(-16/4+7)-(-3-8) = -12-(-11) = -1