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用筒便方法计算5.68 ╳4+43.2×0.4
展开全部
5.68x4+43.2×0.4
=5.68x4+4.32x4
=(5.68+4.32)x4
=10x4
=40
=5.68x4+4.32x4
=(5.68+4.32)x4
=10x4
=40
展开全部
=(5.68+4.32)×4=40
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展开全部
5.68*4+43.2*0.4
=5.68*4+4.32*4
=(5.68+4.32)*4
=10*4
=40
=5.68*4+4.32*4
=(5.68+4.32)*4
=10*4
=40
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已踩过<
评论
收起
你对这个回答的评价是?
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