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12.6×7点6×2点32除以1.9除以1.4除以2.9用简便方法计算

12.6*7.6*2.32/1.9*1.4*2.9

原式 =(12.6÷1.4)x(7.6÷1.9)x(2.32÷2.9) =9x4x0.8 =36x0.8 =28.8 供参考。

原式=(12.6÷1.4)×(7.6÷1.9)×(2.32÷2.9) =9×4×0.8 =36×0.8 =28.8 望采纳,谢谢

12.26×7.26×2.32÷1.9÷1.4÷2.9 =1226×72.6×2.32÷19÷14÷29 =206497.632÷7714 =26又7714分之5933.632 =26又482125分之370852

12.6x7.6x2.32➗1.9➗1.4➗2.9如何用简便计算? 12.6x7.6x2.32➗1.9➗1.4➗2.9 =(12.6÷4)*(7.6÷1.9)*(2.32÷2.9) =3.15*4*0.8 =10.08

12.6×7.6×2.32/1.9/1.4/2.9 =(12.6/1.4)×(7.6/1.9)×(2.32/2.9) =9×4×0.8 =36×0.8 =28.8

第一问玉米对应的是1,所以7/20÷5/8=14/25(吨)第二问淀粉对应的是1,所以5/8÷7/20=25/14=1又11/14(吨)。

要过程不?

12.6x7.6x3.32/1.9/1.4/2.9 =(12.6/1.4)x(7.6/1.9)x3.32/2.9 =9x4x3.32/2.9 =5976/145

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