0.5×0.2=0.1,
3
4 -
1
5 =
11
20 , 15.36-(5.36+7.2)=2.8,
2 ÷
1
6 =12, 8×125%=10, 1 ÷
2
3 ×
3
2 =
9
4 ,
0.6 2+0.5 2=0.61,
4
5 :2 =
2
5 , 12×(
1
4 +
1
6 )=5.
0.5×0.2=0.1,
3
4 -
1
5 =
11
20 , 15.36-(5.36+7.2)=2.8,
2 ÷
1
6 =12, 8×125%=10, 1 ÷
2
3 ×
3
2 =
9
4 ,
0.6 2+0.5 2=0.61,
4
5 :2 =
2
5 , 12×(
1
4 +
1
6 )=5.