1/2÷()=()÷1/3=1/4x()=()x1/5
4个回答
迟到150,
1/2÷1/2=1/3÷1/3=1/4×4=5×1/5 =1
相关问题
1x2÷1+2x3÷1+3x4÷1+4x5÷1+5x6÷1.+n(n+1)÷1
1.x+4÷x+1=x-2÷x-3 2.2x-3÷x+5÷3-2x=4.
1÷(5X+4)-1÷(6X-5)=1÷(4X+5)-1÷(5X+4)
若[1+3+5+…+(2x-1)]÷{[1÷(1×2)]+[1÷(2×3)]+…+[1÷x(x+1)]}=110
6÷(10x+1)+-3÷(2x-1)=1-4÷(2x+1)
4/3x÷6/1=8的计算过程4×2/1÷x=10 14/5x=9/5 x÷3/2=8/5 2/1x÷5/1=10 5/
x/8+x÷4/3=21 x÷3又1/3-1/5x=20 2/3x+x÷2/3=4/5
3-X÷4+2X-5÷6=1