(4分之1-10分之1÷2)/10分之3
=(1/4-1/20)x10/3
=1/4x10/3-1/20x10/3
=5/6-1/6
=2/3
15分之4*(8分之3+5分之6÷5分之8)
=4/15x(3/8+3/4)
=4/15x3/8+4/15x3/4
=1/10+1/5
=3/10
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”
(4分之1-10分之1÷2)/10分之3
=(1/4-1/20)x10/3
=1/4x10/3-1/20x10/3
=5/6-1/6
=2/3
15分之4*(8分之3+5分之6÷5分之8)
=4/15x(3/8+3/4)
=4/15x3/8+4/15x3/4
=1/10+1/5
=3/10
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”