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150 25x5 简便计算

先去括号得 25乘以5除125得125除125得=1

简便算160x025x125怎么算160x025x125=20x8x025x125=20x0.25x(8x12.5)=5x100=500

原式=895x125-125x94-125x1=125x(895-94-1)=125x(801-1)=125x800=125x8x100=1000x100=100000

47x5+25x5+28x5=(47+25+28)x5=100x5=500

25x128x125x5=25x4x8x125x5x4=100x1000x20=2000000

=25x(5+4+1)=250

2000÷(25x5)=2000÷25÷5=80÷5=16

原式=4x8+(20+5)x5=32+20x5+5x5=32+100+25=132+25=157

原式=2.5x3x16.7+8.3x2.5+2.5x1.6=2.5x50.1+8.3x2.5+2.5x1.6=2.5x(50.1+8.3+1.6)=2.5x(58.4+1.6)=2.5x60=2.5x4x15=10x15=150

125-(25÷25)x5=125-5=120

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