Question

6加上2.6除7.8的商,再减去7/8是多少？

Answer 1

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Answer 2

6加上2.6除7.8的商,再减去7/8是多少？
解：（6+2.6）/7.8-7/8
=8.6/7.8-7/8
=86/78-7/8
=43/39-7/8
=(344-273)/312
=71/312

Answer 3