1-9/18=[ 1/2]
25/40-20/28=[ -5/56]
5/8-5/7=
1-44/36=[ -2/9]
8-[1/6+1/5+4/15+7/10]=[6又2/3 ]
1-9/18=[ ]25/40-20/28=[ ]1-44/36=[ ]8-[1/6+1/5+4/15+7/10]=[
1个回答
相关问题
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约分 5/10 10/12 6/9 15/20 4/14 6/18 9/27 21/28 4/6 20/25 35/40
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1/4+(2+1/10)+(4+1/18)+(6+1/28)+(8+1/40)+(10+1/54)=?
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简便运算：（7/9+3/4-1/6-7/18）1/36,2/5*5/9/（2/5-4/15）
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2/3-1/6 3/4+1/8 6/7+7/9-6/7+7/9 7/18*36-7/18 1/6÷（5/12-1/24）
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n=1 2 3 4 5 6 7 8 y=1 3 6 10 15 21 28 36 求Y=?
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(1*3*5+2*6*10+3*9*15+4*12*20+5*15*25)/(1*2*3+2*4*6+3*6*9+4*8
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1=4 2=8 3=16 4=28 5=36 6=44 7=106 8=?大神赐教
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1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,30,40,50,
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1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,30,40,50,
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1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,30,40,50,