题目内容
740-60=
[ ]
|
A.580 |
B.680 |
|
C.90 |
D. 780 |
答案:B
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带★的要验算
| 496×8= | 505×6= | 740×7= |
| 60÷9= | ★97+638= | ★903-345= |
题目内容
740-60=
[ ]
|
A.580 |
B.680 |
|
C.90 |
D. 780 |
| 496×8= | 505×6= | 740×7= |
| 60÷9= | ★97+638= | ★903-345= |