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0756乘0.36

=12.5x4x0.09=50x0.09=4.5

0.086/0.36≈0.239 验算:0.086/0.239≈0.36

两种方法都可以:0和6对齐,5和6对齐

{25*4*9=100*9=900}原式有四位小数,那就把900小数点左移四位,就等于0.09

0.85 乘0.36保留两位小数,等于0.31解:0.85*0.36=0.306≈0.31所以,0.85 乘0.36保留两位小数,等于0.310.306的千分位是6,6>5,保留两位小数应向百分位进“1”,0.30+0.01=0.31所以,0.85 乘0.36=0.306,保留两位小数,等于0.31

解答:应该能呀.0.086/0.36=86/360=0.2390.239X360=86

12.4乘0.36竖式12.4*0.36=4.464

12.5*0.36=(12.5*0.08)*4=1*4=40.12÷0.25+2.88*4=0.12*4+2.88*4=4*(0.12+2.88)=4*3=12

0.09

325x0.36+6.75x36 ;=3.25x36+6.75x36 ;=(3.25+6.75)x36 ;=10x36 ;=360 ;

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