(8.7x+1.2)÷4=5..
问题描述:
(8.7x+1.2)÷4=5..
答
x=(5*4-1.2)/8.7=2.16
答
8.7x+1.2=5.0×4
8.7x+1.2=20
8.7x=20-1.2
8.7x=18.8
x=188|87
答
2.1609195402298850574712643678161
答
(8.7x+1.2)÷4=5.0
8.7x+12=5.0×4
8.7x+12=20
8.7x=20-12=8
x=8÷8.7
x=80/87
答
8.7x+1.2=20
x=188/87
答
29分之66即(66/29)
答
8.7x+12=5.0×4
8.7x+12=20
8.7x=20-12=8
x=8÷8.7
x=80/87
答
8.7x+1.2=5.0x4
8.7x+1.2=20
8.7x=20-1.2
8.7x=18.8
x=188/87