试题:
计算:1.2×67+6.7×88=______.

答案:

我来补答
1.2×67+6.7×88,
=1.2×67+67×8.8,
=(1.2+8.8)×67,
=10×67,
=670.
故答案为:670.
 
 
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这些题目你会做吗?