解方程.
(填写分数时,先写分子,后写分母)|
(1)4.5x=13.5 |
(2)x ÷12=12 |
|
x=( ) |
x=( ) |
|
(3)0.36 +x=0.64 |
(4) |
|
x=( ) |
|
解方程.
|
(1)380 +x=620 |
(2)75x=225 |
|
x=( ) |
x=( ) |
|
(3)x ÷1.6=8 |
(4) |
|
x=( ) |
x= |
解方程.
(填写分数时,先写分子,后写分母)|
(1)4.5x=13.5 |
(2)x ÷12=12 |
|
x=( ) |
x=( ) |
|
(3)0.36 +x=0.64 |
(4) |
|
x=( ) |
|
解方程.
|
(1)380 +x=620 |
(2)75x=225 |
|
x=( ) |
x=( ) |
|
(3)x ÷1.6=8 |
(4) |
|
x=( ) |
x= |