Question

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Answer 1

Resposta:

50+{9÷3+[3×5-2×(4-1)]}

50+{9÷3+[3×5-2×3]}

50+{9÷3+[15-2×3]}

50+{9÷3+[13×3]}

50+{9÷3+39}

50+{3+39}

50+42

92

{38+[(143÷11+7)-5×2]}÷6

{38+[(13+7)-5×2]}÷6

{38+[20-5×2]}÷6

{38+[20-10]}÷6

{38+10}÷6

48÷6

8

8×[17-(5×2+3)]

8×[17-(10+3)]

8×[17-13]

8×4

30

49-(6×6-15)+7]

49-(36-15)+7]

49-21+7]

49-28

21