0.96╳6.9用简便计算?
23个回答
展开全部
0.96×6.9
=(1-0.04)×(7-0.1)
=1×7-1×0.1-0.04×7+0.04×0.1
=7-0.1-0.28+0.004
=7-0.38+0.004
=6.62+0.004
=6.624
=(1-0.04)×(7-0.1)
=1×7-1×0.1-0.04×7+0.04×0.1
=7-0.1-0.28+0.004
=7-0.38+0.004
=6.62+0.004
=6.624
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展开全部
0.96×6.9
=(1一0.04)×6.9
=1×6.9一0.04×6.9
=6.9一0.276
=6.624
=(1一0.04)×6.9
=1×6.9一0.04×6.9
=6.9一0.276
=6.624
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展开全部
0.96×(7-0.1)
=0.96×7-0.096
=6.72-0.096
=6.624
=0.96×7-0.096
=6.72-0.096
=6.624
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