7-1= 7-2= 7-3= 7-4= 7-5= 7-6= 8-1= 8-2= 8-3= 8-4= 8-5= 8-6= 8-7= 9-1= 9-2= 9-3= 9-4= 9-5= 9-6= 9-7= 查看更多

 

题目列表(包括答案和解析)

42.4+7.6= 1.58+2.42= 23.5+76.5÷0.25= 7.8-5.6=
1.25×4= 34.6÷0.2×4= 0.24÷0.3= 7.8×0.5=
1÷0.2-1×0.2= 57÷5.7= 8.1-0.05= 0.2×0.5=

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1.7×3= 5.2×4= 9.2×5= 2.25×10=
1.25×8= 0.32÷4= 9.6÷6= 6.8÷4=
0.6÷5= 8.4÷42=

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3□7×6≈2400中的□可填(  )

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9.7×2.4 3.6×6.8 12.5×3.1.

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0.8×1
=
=
0.8        
25×0.4
=
=
0.4×25        
0.2×0.05
=
=
0.02×0.5
7.8
7.8×9.2      
5.6×0.5
0.5×3.6      
0.36×0.095
0.36
5.9×1.06
1.06   
7.2×0.12
7.2×0.13    
358
358×0.65

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