有赏有赏,快来解题.(10/3×1.9+19.5÷9/2)/(62/75-0.16)÷(3.5+14/3+32/15)/[0.5×(21/20+4.1)
注意:它本是一个分数,中间那个除号的左右都是分数,不要挨着挨着算.
人气:448 ℃ 时间:2020-04-03 17:23:11
解答
(10/3 *19/10+39/2*2/9)/(62/75-4/25)÷(7/2+14/3+32/15)/(1/2*(21/20+41/10)
化解得(19/3+39/9)/(62/75-12/75)÷(105/30+140/30+64/30)/(1/2*(21/20+82/20)
=(96/9)*(3/2)÷(103/10)/(103/40)
=16÷4
=4
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