Răspuns:
Explicație pas cu pas:
a)
5 × ( 4 : 2 + 8 ) - 2 = 48
= 5 × ( 2 + 8 ) - 2 =
= 5 × 10 - 2 =
= 50 - 2
= 48
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b)
6 × ( 9 : 3 + 5 - 2 ) = 36
= 6 × ( 3 + 5 - 2 ) =
= 6 × ( 8 - 2 ) =
= 6 × 6 =
= 36
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c)
3 × ( 8 : 4 + 6 × 2 ) - 18 = 24
= 3 × ( 2 + 12 ) - 18 =
= 3 × 14 - 18 =
= 42 - 18 =
= 24
