搜搜做题作业网数学题,解答.采纳
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数学题,解答.采纳
=7/8 x 25/21 x 16/5
=25/24 x 16/5
=5x2/3x1=10/3
=21x3/7+1/12 x 3/7
=9+1/28=9又是1/28
31/32 x 33 =1023/32
0.35x=0.52,x=52/35
1.15x=48,x=48/1.15
=25/24 x 16/5
=5x2/3x1=10/3
=21x3/7+1/12 x 3/7
=9+1/28=9又是1/28
31/32 x 33 =1023/32
0.35x=0.52,x=52/35
1.15x=48,x=48/1.15