问题 解答题
口算:
36÷
6
7
×
7
6
=
1÷0.05=
2
3
-
2
3
÷1=
0.45÷1.5=
2
9
-(
2
9
-
7
8
)=
4.98×0.5×2=0.2×
1
2
=
答案

36÷
6
7
×
7
6
=49,
1÷0.05=20,
2
3
-
2
3
÷1=
5
6
0.45÷1.5=0.3,
2
9
-(
2
9
-
7
8
)=
7
8
4.98×0.5×2=4.98,0.2×
1
2
=0.1.

单项选择题
单项选择题