9.05加上一个数的5倍和是17.25,这个数是(用方程解)
[ ]
|
A.1.46 |
B.8.2 |
|
C.26.3 |
D.1.64 |
6.86除以0.28与3.5的积,商是
[ ]
|
A.0.98 |
B.7 |
|
C.24.5 |
D.1.96 |
6.3÷0.6-5=
[ ]
|
A.5.5 |
B.8.6 |
|
C.0.3 |
D.3 |
1.2÷2×0.5=
[ ]
|
A.5.5 |
B.8.6 |
|
C.0.3 |
D.3 |