4.27=54x18:x=0.75:130.254=4xx:72=4:13.-六年级数学
题文
x:
|
答案
(1)
4.2x=54×7, 4.2x÷4.2=378÷4.2, x=90; (2)
0.75x=
0.75x÷0.75=
x=
(3)
0.25x=4×4, 0.25x÷0.25=16÷0.25, x=64; (4)x:
|
题文
x:
|
答案
(1)
4.2x=54×7, 4.2x÷4.2=378÷4.2, x=90; (2)
0.75x=
0.75x÷0.75=
x=
(3)
0.25x=4×4, 0.25x÷0.25=16÷0.25, x=64; (4)x:
|