Question

a) 21:3–4.(-3) b) 1-100-3+5•(-3+4) c) (-5) + (-3).(-4) – (-10) (-2) d) [(+23) + (-5)] : [12 - (+3).(-2)]
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Answer 1

Resposta:

.................................?

Answer 2

Resposta:

A) 10 x 3 + 5 x 1

30 + 5 = 35

b) - 5 + 12 - 20

7 - 20 = - 13

c) [ 23 - 5 ] : [ 12 + 6 ]

18 : 18 = 1