25+37=62 21.7÷7=3.1
3
5 ×
5
12 =
1
4 25×
4
5 =20
70-34=36 12.3+=1.23=13.53
1
4 -
1
5 =
1
20 11×
7
22 =
7
2
1.3+27=28.3 1.05÷0.5=2.1 6÷
3
8 =16
4
9 ÷2 =
2
9
45-0.5=44.5
8
9 -
4
9 =
4
9
2
5 +
1
2 =
9
10
2
3 +
1
2 =
7
6
25×0.4=10
2
7 +
3
7 =
5
7
1
6 ×42 =7
7
10 ÷
7
13 =
13
10