(4.82-2.32)÷0.5×0.38的简便计算
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(4.82-2.32)÷0.5×0.38
=2.5÷0.5×0.38
=5×0.5÷0.5×2×0.19
=5×2×(0.5÷0.5)×0.19
=10×1×0.19
=1.9
=2.5÷0.5×0.38
=5×0.5÷0.5×2×0.19
=5×2×(0.5÷0.5)×0.19
=10×1×0.19
=1.9
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