速度!!!
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共1个回答
热心网友
(12/7 * 7/24 + 8/5 / 4/5 ) /5/2
=(1/2 + 2) * 2/5
=3/2 * 2/5
=3/5
(3/4 + 1/4) / ( 3/7 + 7/10)
=1 * 79/70
=79/70
=1 又9/70
热心网友
(12/7 * 7/24 + 8/5 / 4/5 ) /5/2
=(1/2 + 2) * 2/5
=3/2 * 2/5
=3/5
(3/4 + 1/4) / ( 3/7 + 7/10)
=1 * 79/70
=79/70
=1 又9/70
热心网友
(12/7 * 7/24 + 8/5 / 4/5 ) /5/2
=(1/2 + 2) * 2/5
=3/2 * 2/5
=3/5
(3/4 + 1/4) / ( 3/7 + 7/10)
=1 * 79/70
=79/70
=1 又9/70
