(120X2十120)÷9脱式 (135十75)÷(14X5) 106X9一76X9

2024-12-15 20:50:15
推荐回答(4个)
回答1:

(120X2十120)÷9
=(240+120)÷9
=360÷9
=40
(135十75)÷(14X5)
=210÷70
=3
106X9一76X9
=(106-76)X9
=30X9
=270

回答2:

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回答3:

(120X2十120)÷9
=(240+120)÷9
=360÷9
=40
(135十75)÷(14X5)
=210÷70
=3
106X9一76X9
=9×(106-76)
=9×30
=270

回答4: