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85➗0.17➗5简便计算

0.8x0.25x0.4x12.5 4.58➗2.5➗0.4 都简便计算过程具体 0.8x0.25x0.4x12.5 =(0.8*12.5)*(0.25*0.4) =10*0.1 =1 4.58➗2.5➗0.4 =4.58÷(2.5*0.4) =4.58÷1 =4.58

600➗15+600➗5用简便方法计算 600➗15+600➗5 =40+120 =160 直接计算

17.5➗12.5✖️1.4 =175➗125✖️1.4 =25x7➗(25x5)x1.4 =7➗5x1.4 =1.2x1.4 =1.68

=125➗(5x5) =125➗25 =5

400➗(80➗26) =400➗80×26 =50×26 =1300 4020➗(804➗17) =4020➗804×17 =5×17 =85

420➗5 =(400+20)➗5 =400➗5+20➗5 =80+4 =84

:52➗5十53➗5十54➗5十55➗5十56➗5 =(52+53+54+55+56)÷5 =54*5÷5 =54

计算: (812-56x12)➗28 =【812-(50+6)x12】➗28 =(812-600-72)➗28 =140➗28 =5

38➗14➕32➗14 =(38+32)➗14 =70➗14 =5

5➗(7➗11)➗(11➗16)➗(16➗35)简便方法 5➗(7➗11)➗(11➗16)➗(16➗35) =(11÷11)*(16÷16)*(35*5÷7) =1*1*25 =25

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