题目内容
试题答案
能改写成乘法算式的是________.
A.5+6+7+8
B.3+3+3+3
C.6-2-2-2
9+9+9+9+9+9改写成乘法算式是:
[ ]
A.6×9 B.9×6
C.9×9 D.5×9
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