4.37-8.2×0.35-1.13简便算法?
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解:4.37-8.2×0.35-1.13=4.37-1.13-(8+0.2)×0.35=3.24-(8×0.35+0.2×0.35)=3.24-(2.8+0.07)=3.24-2.87=0.37
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4.37-8.2×0.35-1.13
=4.37-8.2×0.5×0.7-1.13
=4.37-4.1×0.7-1.13
=4.37-2.87-1.13
=4.37-(2.87+1.13)
=4.37-4
=0.37
=4.37-8.2×0.5×0.7-1.13
=4.37-4.1×0.7-1.13
=4.37-2.87-1.13
=4.37-(2.87+1.13)
=4.37-4
=0.37
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4.37-8.2×0.35-1.13
=4.37-2.87-1.13
=4.37-(2.87+1.13)
=4.37-4
=0.37
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4.37-8.2×0.35-1.13
=4.37-(2.87+1.13)
=4.37-4
=0.37
=4.37-(2.87+1.13)
=4.37-4
=0.37
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评论
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你对这个回答的评价是?
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