
0.8888×0.4 0.2222×8.4和3.75×0.5 6.25÷2的简便计算咋写
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0.8888×0.4+0.2222×8.4
=0.2222×(4×0.4+8.4)
=0.2222×10
=2.222
3.75×0.5+ 6.25÷2
=(3.75+6.25)÷2
=10÷2
=5
=0.2222×(4×0.4+8.4)
=0.2222×10
=2.222
3.75×0.5+ 6.25÷2
=(3.75+6.25)÷2
=10÷2
=5
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