17.69
与0.31的和除以0.3与4的积,商是[
]|
A .18 |
B .1.2 |
|
C .4.5 |
D .15 |
能简算的要用简便方法计算.
0.51
÷(1.2-1.03)+9.4=[
]|
A .12.4 |
B .56 |
|
C .111 |
D .6.9 |
能简算的要用简便方法计算.
6.4
×5.6+(3.9+1.7)×3.6=[
]|
A .12.4 |
B .56 |
|
C .111 |
D .6.9 |
能简算的要用简便方法计算.
(2.5
+0.25+25)×4=[
]|
A .12.4 |
B .56 |
|
C .111 |
D .6.9 |
能简算的要用简便方法计算.
8.2-2.34÷0.9×0.5=
[
]|
A .12.4 |
B .56 |
|
C .111 |
D .6.9 |