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75乘以25的简便方法

75x25-25x25=(75-25)x25=50x25=1250

75乘以25+25乘以25=(75+25)x25=25x100=2500

3-22/11 =3-2 =1

75*24 =75*4*6 =300*6 =1800 请点击下面的【选为满意回答】按钮.

75*27+19*25=25*3*27+19*25=25*(81+19)=25*100=2500

75*24=100*(3/4*24)=100*18=1800

75+197乘以25的简便运算75+197*25=25*3+25*197=25*(3+197)=25*200=5000

75*14.7+15.9*25=25*3*14.7+15.9*25=25*(3*14.7+15.9)=25*(44.1+15.9)=25*60=1500

=7*(75+25)=7*100=700

75X24=25X3X4X6=100X18=1800

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