题目内容
360×5-(580+670)=
[ ]
A.650 |
B.1350 |
C.1450 |
D.550 |
答案:D
解析:
解析:
360×5-(580+670) =360×5-1250 =1800-1250 =550 选D. 或360×5-(580+670) =1800-1250 =550 |
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21×6×5=
[ ]
A.480 |
B.360 |
C.580 |
D. 630 |