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列竖式计算25.5/6

()_______ 6)25.6 第一行没有括号

2.6 × 5.25 = 13.65 竖式见图:

5×25×125×6×8列竖式计算可以用简便运算。 5×25×125×6×8 =(125×8)×( 25×6)×5 =1000×150×5 =150000×5 =750000

4.25×6.7+5.75×6.7 =(4.25+5.75)×6.7 =10×6.7 =67

25×5÷6 =5×6 =30

6.7+2.53=9.23验算:5.25-0.7=4.55验算:

算一下不就好了

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