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“妙酒”我向你提问,几道数学题. 8/7-6/7x7/15 36x9/15+36x14/15+36x8/15
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“妙酒”我向你提问,几道数学题.
8/7-6/7x7/15
36x9/15+36x14/15+36x8/15
▼优质解答
答案和解析
8/7-6/7x7/15
=8/7-2/5
=40/35-14/35
=26/35
36x9/15+36x14/15+36x8/15
=36x(9/15+14/15+8/15)
=36x31/15
=12x31/5
=372/5
=8/7-2/5
=40/35-14/35
=26/35
36x9/15+36x14/15+36x8/15
=36x(9/15+14/15+8/15)
=36x31/15
=12x31/5
=372/5
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