
脱式计算快点哦(´-ω-`)?
1个回答
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脱式计算过程如下:
(1)360÷(70-4×16)
=360÷(70-64)
=360÷6
=60
(2)158×[(27+54)÷9]
=158×(81÷9)
=158×9
=1422
(3)209+102÷(52-35)
=209+102÷17
=209+6
=215
(4)940×[128-(154-31)]
=940×(128-123)
=940×5
=4700
(1)360÷(70-4×16)
=360÷(70-64)
=360÷6
=60
(2)158×[(27+54)÷9]
=158×(81÷9)
=158×9
=1422
(3)209+102÷(52-35)
=209+102÷17
=209+6
=215
(4)940×[128-(154-31)]
=940×(128-123)
=940×5
=4700
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