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六年级数学99乘以8分之5减o,625乘以68加6,25乘以0,1
1个回答
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99x5/8-0.625x68+6.25x0.1
=99x5/8-(0.625x68-0.625)
=99x5/8-0.625x67
=99x5/8-5/8x67
=(99-67)x5/8
=32x5/8
=20
做的很详细,仔细看,过程和转化.
理解请采纳,不明白可再问,
=99x5/8-(0.625x68-0.625)
=99x5/8-0.625x67
=99x5/8-5/8x67
=(99-67)x5/8
=32x5/8
=20
做的很详细,仔细看,过程和转化.
理解请采纳,不明白可再问,
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