2.6×11.9-19×26%怎样简便计算

kenmis2022-10-04 11:39:542条回答

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砸坛翁共回答了17个问题 | 采纳率100%: 2.6×11.9-19×26%
=2.6×11.9-19×0.26
=0.26×119-19×0.26
=0.26×(119-19)
=0.26×100
=26; 1年前

hnvv 共回答了1个问题 | 采纳率: 2.6×11.9-19×26%
= 2.6×11.9-19÷10×(0.26×10)
=2.6×11.9-1.9×2.6
=2.6×(11.9-1.9)
=2.6×10
=26; 1年前

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