先说出运算顺序,再计算.
145
+945÷7=
[
]|
A .713 |
B .280 |
|
C .603 |
D .0 |
先说出运算顺序,再计算.
510
-153+246=
[
]|
A .713 |
B .280 |
|
C .603 |
D .0 |
先说出运算顺序,再计算.
128
-128÷4=
[
]|
A .69 |
B .891 |
|
C .96 |
D .771 |
先说出运算顺序,再计算.
124
×6+27=
[
]|
A .69 |
B .891 |
|
C .96 |
D .771 |
先说出运算顺序,再计算.
728
÷8+800=
[
]|
A .69 |
B .891 |
|
C .96 |
D .771 |
口算
100
-100÷5=[
]|
A .60 |
B .40 |
|
C .80 |
D .55 |
口算
20
+80÷4=[
]|
A .60 |
B .40 |
|
C .80 |
D .55 |
口算
120
÷3+15=[
]|
A .60 |
B .40 |
|
C .80 |
D .55 |
口算
21
+13×3=[
]|
A .60 |
B .0 |
|
C .30 |
D .52 |
口算
60
-40÷5=[
]|
A .60 |
B .0 |
|
C .30 |
D .52 |