Răspuns:
Explicație pas cu pas:
(16 : 8 + 7) × 5 = 45
= ( 2 + 7 ) × 5 =
= 9 × 5 =
= 45
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2 × (12 - 6) + 6 - 2 = 16
= 2 × 6 + 6 - 2 =
= 12 + 6 - 2 =
= 18 - 2 =
= 16
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8 : (4 : 2 + 6 )× 2 = 2
= 8 : (2 + 6 ) × 2 =
= 8 : 8 × 2 =
= 1 × 2 =
= 2
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5 × 8 : (4 + 6 - 2) = 5
= 40 : ( 10 - 2 ) =
= 40 : 8 =
= 5