如题所述
原式=0.68×125+0.32×125
=(0.68+0.32)×125
=1×125
=125
=(0.68+0.32)×125
=1×125
=125
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第1个回答 2014-12-10
0.68乘125加32乘125%
=0.68×125+0.32×125
=(0.68+0.32)×125
=125
=0.68×125+0.32×125
=(0.68+0.32)×125
=125
第2个回答 2014-12-10
0.68x125+32x125%
=0.17x(4x125)+4x(8x125%)
=0.17x500+4
=85+4
=89追答
=0.17x(4x125)+4x(8x125%)
=0.17x500+4
=85+4
=89追答
或者:
0.68x125+32x125%
=68x(0.125)+32x0.125%)
=0.17x500+4
=85+4
=89
第二个手机点错了!不行的
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