题目内容
估一估,积比“
1”大的算式有( ).
|
A .1.25×3; |
B .1.5×1.2; |
C .0.8×0.2; |
|
D .1.2×0.5; |
E .3.2×1.3; |
F .1.1×0.8. |
答案:A,B,E
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估一估,积比
400大的算式有( ).|
A .37.5×5 |
B .45.4×9 |
C .81.1×7 |
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D .21.6×6 |
E .24.8×8 |
F .84.5×9 |
估一估,积比“
1”大的算式有( ).
|
A .1.25×3; |
B .1.5×1.2; |
C .0.8×0.2; |
|
D .1.2×0.5; |
E .3.2×1.3; |
F .1.1×0.8. |
估一估,积比
400大的算式有( ).|
A .37.5×5 |
B .45.4×9 |
C .81.1×7 |
|
D .21.6×6 |
E .24.8×8 |
F .84.5×9 |