Упростите выражения:
a) 9 − (5 − 2)
b) 8 ∙ (12 + 4) + 3(10 − 30) Решите пж!!
a) 9 − (5 − 2)
b) 8 ∙ (12 + 4) + 3(10 − 30) Решите пж!!
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Ответ:
9-(5-2)=9-3=6
8×(12+4)+3(10-30)=8×16+3(-20)=128-60=68