20×5/6×3/4 2/5×5/6×3/8 2/7×14×5/8 9/10×2/3×5/6怎么计算
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20×5/6×3/42/5×5/6×3/82/7×14×5/89/10×2/3×5/6怎么计算20×5/6×3/42/5×5/6×3/82/7×14×5/89/10×2/3×5/6怎么计算20×5/6
20×5/6×3/4 2/5×5/6×3/8 2/7×14×5/8 9/10×2/3×5/6怎么计算
20×5/6×3/4 2/5×5/6×3/8 2/7×14×5/8 9/10×2/3×5/6怎么计算
20×5/6×3/4 2/5×5/6×3/8 2/7×14×5/8 9/10×2/3×5/6怎么计算
20×5/6×3/4
=(20×5×3)/(6×4)
=25/2
2/5×5/6×3/8
=(2×5×3)/(5×6×8)
=1/8
2/7×14×5/8
=(2×14×5)/(7×8)
=5/2
9/10×2/3×5/6
=(9×2×5)/(10×3×6)
=1/2
2,5,2,20,3,4,3,36,5,6,5,150,8,5,8,()
(-5/4+5/6-3/2+11/4)/6/5
2 3 4 5 6
2+5+4-3-6
2,3,4,5,6
5+3-2+4-6
2,3,4,5,6,
2,3,4,5,6,
2,3,4,5,6,
2,3,4,5,6
2 3 4 5 6
2,3,4,5,6
2 3 4 5 6
2,3,4,5,6
有一列数:1,2,2,3,3,3,4,4,4,4,5,5,5,5,5,6,6,6,6,6,6,7,.第200个数是1+2+3+4+5+.....+20不是等于210么?
5/6×(3/4+2/5)
4/6+5/6+2/3
20×5/6×3/4 2/5×5/6×3/8 2/7×14×5/8 9/10×2/3×5/6怎么计算