4
÷(1.2-0.8)=[
]|
A .0.91 |
B .10 |
|
C .1 |
D .0.001 |
0.1
×0.1×0.1=[
]|
A .0.91 |
B .10 |
|
C .1 |
D .0.001 |
1
-0.09×1=[
]|
A .0.91 |
B .10 |
|
C .1 |
D .0.001 |
7.1
÷0.71÷10=[
]|
A .0.91 |
B .10 |
|
C .1 |
D .0.001 |
4.05
减1.85的差,乘它们的和,积是[
]|
A .12.89 |
B .2.2 |
|
C .5.9 |
D .12.98 |
3.9
除以0.13的商减去23.4乘0.65的积,差是[
]|
A .30 |
B .15.21 |
|
C .14.79 |
D .14.97 |
用简便方法计算.
(
1.25+12.5)×0.8=[
]|
A .18 |
B .10 |
|
C .1 |
D .11 |
4
÷0.5×(0.5÷4)=[
]|
A .0.125 |
B .7.6 |
|
C .8 |
D .1 |
8.6
-8.6÷8.6=[
]|
A .0.125 |
B .7.6 |
|
C .8 |
D .1 |
4.2
与2.4的和乘它们的差,积是[
]|
A .6.6 |
B .1.17 |
|
C .1.3 |
D .11.88 |