算一算【写过程】 5/8*1/2*4/5= 2/3÷4/9*3/10= 5/6*4/5÷1/2= (3/4-5/12)*24= (1/2+1/6)÷1/12=
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5/8*1/2*4/5=1/4
2/3÷4/9*3/10
=2/3x9/4x3/10
=9/20
5/6*4/5÷1/2
=5/6x4/5x2
=4/3
(3/4-5/12)*24
= 3/4x24-5/12x24
=18-10
=8
(1/2+1/6)÷1/12
=1/2x12+1/6x12
=6+2
=8
2/3÷4/9*3/10
=2/3x9/4x3/10
=9/20
5/6*4/5÷1/2
=5/6x4/5x2
=4/3
(3/4-5/12)*24
= 3/4x24-5/12x24
=18-10
=8
(1/2+1/6)÷1/12
=1/2x12+1/6x12
=6+2
=8
更多追问追答
追问
5/8*1/2*4/5=
3/5*1/7+2/5*5/7=
追答
5/8*1/2*4/5=1/4
3/5*1/7+2/5*5/7
=3/35+10/35
=13/35
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