17.28
-7.2×(3.7-1.3)=[ ]
|
A .40 |
B .0 |
|
C .0.8 |
D .78.4 |
1
-1÷1.25+0.6=[ ]
|
A .40 |
B .0 |
|
C .0.8 |
D .78.4 |
8.1
×5.3+5.3×1.9=[ ]
|
A .42 |
B .53 |
|
C .5.6 |
D .0.7 |
计算,能用简便算法的用简便算法
1
÷[24.5÷(3.2+1.7)]=[
]|
A .15.2 |
B .0.2 |
|
C .0.45 |
D .3 |
计算,能用简便算法的用简便算法
7.98
÷[3.8×(2-1.3)]=[
]|
A .15.2 |
B .0.2 |
|
C .0.45 |
D .3 |
计算,能用简便算法的用简便算法
10.92
÷[15.12÷(7.8-4.2)]=[
]|
A .6 |
B .12.8 |
|
C .2.6 |
D .14.68 |
计算,能用简便算法的用简便算法
(
5.6-2.4)×(1.45+2.55)=[
]|
A .6 |
B .12.8 |
|
C .2.6 |
D .14.68 |
[16.8
-(20-17.6)]÷0.12=[
]|
A .1.4 |
B .2 |
|
C .2.5 |
D .120 |
0.66
除以3.4减去1.75的差,再乘2.25,积是[
]|
A .0.4 |
B .1.65 |
|
C .0.9 |
D .9 |
能简算的要用简便方法计算.
(53.01
÷9.3+6.3)-3.2×1.5=[
]|
A .1000 |
B .7.2 |
|
C .9.5 |
D .60 |