
250×0点037 0点25×16 2点25×2点七简便计算?
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简便计算
250x0.037+0.25x16+2.5x2.7
=25x0.37+25x0.16+25x0.27
=25x(0.37+0.16+0.27)
=25x0.8
=20
250x0.037+0.25x16+2.5x2.7
=25x0.37+25x0.16+25x0.27
=25x(0.37+0.16+0.27)
=25x0.8
=20
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