
4.6×6.7-0.46×57简便计算,急
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解:依题意得算式,
4.6×6.7-0.46×57
=4.6×6.7-4.6×5.7
=4.6×(6.7-5.7)
=4.6×1
=4.6
即4.6×6.7-0.46×57=4.6
4.6×6.7-0.46×57
=4.6×6.7-4.6×5.7
=4.6×(6.7-5.7)
=4.6×1
=4.6
即4.6×6.7-0.46×57=4.6
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