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9-8+7×[6×5-4×(3+2)-1]÷9​

Răspuns :

Răspuns:

9-8+7×[6×5-4×(3+2)-1]÷9

1+7×(30-4×5-1)÷9

1+7×(30-20-1)÷9

1+7×(10-1)÷9

1+7×9÷9

1+7×1

1+7

8

Răspuns:

1 + 7 × (30 - 4 × 5 - 1) : 9 =

1 + 7 × 9 : 9 =

1 + 7 =

8