0.6×1+5.4=
[ ]
|
A.2 |
B.1 |
|
C.6 |
D.10 |
1.2+5.6÷7=
[ ]
|
A.2 |
B.1 |
|
C.6 |
D.10 |
0.25×40=
[ ]
|
A.2 |
B.1 |
|
C.6 |
D.10 |
3.45÷3.45=
[ ]
|
A.2 |
B.1 |
|
C.6 |
D.10 |
5.6÷0.08=
[ ]
|
A.70 |
B.0.75 |
|
C.1 |
D.7.5 |
0.3÷0.4=
[ ]
|
A.70 |
B.0.75 |
|
C.1 |
D.7.5 |
0.75×10=
[ ]
|
A.70 |
B.0.75 |
|
C.1 |
D.7.5 |
0.32+0.68=
[ ]
|
A.70 |
B.0.75 |
|
C.1 |
D.7.5 |
比x的5倍多6.2的数是20.1,这个数是
[ ]
|
A.13.9 |
B.1.75 |
|
C.8.4 |
D.2.78 |
解方程.
0.72×3-7x=1.6
x=
[ ]
|
A.0.08 |
B.8.5 |
|
C.3.4 |
D.12 |