2016-11-07 12:08发布
5/9×3/10+2/7÷3/5
=1/6+10/21
=7/42+20/42
=9/14
那是9/14啊啊啊啊
5/9 × 3/10 + 2/7 ÷ 3/5
=5/9 × 3/10 + 2/7 × 5/3
=1/6 + 10/21
=7/42 + 20/42
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付费偷看金额在0.1-10元之间
5/9×3/10+2/7÷3/5
=1/6+10/21
=7/42+20/42
=9/14
(5/9)X(3/10)+ (2/7)÷(3/5)
= 1/6 + (2/7)X(5/3)
= 1/6 + 10/21
= 7/42+ 20/42
= 27/42
= 9/14
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那是9/14啊啊啊啊
5/9 × 3/10 + 2/7 ÷ 3/5
=5/9 × 3/10 + 2/7 × 5/3
=1/6 + 10/21
=7/42 + 20/42
=9/14
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