27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7= 查看更多

 

题目列表(包括答案和解析)

能简算的要用简便方法计算
①3.28×0.46+6.72×0.46      
②9.73×2.8-4.73×2.8
③1.35×6.2+5.79÷0.3       
④27.9+3.6×2.5÷0.48
⑤0.6×(5.3-1.7)÷0.9     
⑥6.4÷[(4.3+2.1)÷0.8].

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能简算的要用简便方法计算
①3.28×0.46+6.72×0.46             
②9.73×2.8-4.73×2.8
③1.35×6.2+5.79÷0.3               
④27.9+3.6×2.5÷0.48
⑤0.6×(5.3-1.7)÷0.9           
⑥6.4÷[(4.3+2.1)÷0.8].

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列竖式计算.
0.57×23  
39×0.15 
2.5×44  65×3.1 
40.38×16 13.4×38.

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如图,周日晓刚帮助王阿姨义务送报纸,他选择了从A的路线,那么他走的路线标出各户的位置正确的是

[  ]

AA(10)(32)(50)(26)

BA(10)(32)(51)(62)

CA(10)(23)(51)(62)

DA(10)(32)(15)(62)

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比比谁算得快.

(1)1.281.28=

(2)0.340.32=

(3)0.50.3=

(4)2.52.4=

(5)4.80.8=

(6)3.76.1=

(7)1.51=

(8)30.3=

 

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