Question

7) Resolva as seguintes expressões:

a) 25. 34. 2-3. 3-1

b) 26 .103. 20-4

c) 42. 32. 12-2. 25

d) 3-5
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Answer 1

Resposta:A) 5.090 / B) 53.556 / C) / D) 2

Explicação passo-a-passo: A) 25.34= 850

850.2= 1700 / 1700-3= 1697 / 1697.3= 5.091 / 5091-1= 5090

B) 26.103= 2678 / 2678.20= 53.560 / 53.560-4= 53.556

C) 42.32= 1.344 / 1.344.12= 16.128-2= 16.121.25= 403.200

D) 2

Answer 2

Resposta:

(A)25×35×2-3×3-1= 1.740

(B)26×113×20-4=58756

(C)42×32×12-2×25=16078

(D)3-5= -2