7+5= 10-7= 6+9= 4+16=
18-7= 15+4= 9+9= 6+7=
9+7= 6+4= 3+8= 19-5=
17-4+6= 12+7-6= 8+6+4= 8+9-6=
( )-6=2 ( )-4=4 6+( )=9 ( )-2=7
7+13=
16-6=
10+10=
17-4=
11+5=
12+7=
19-6=
18+1=
20-10=
17-10=
10+5=
16-3=
15+3=
12+6=
14-2=
10+4=
8-5+2=
7+3-6=
10-3-3=
9-9+1=
2+0+2=
6-2+5=
9+4= 10-7= 8+4= 10+3=
12+6= 5+7= 17-7= 2+13=
19-6= 6+8= 9+3= 8+5=
7.4+2.6= 40÷80= 10-0.95= 2.5×16= 6.3÷0.3=
202-98= 6- = 60×40% =
100﹣27.5= += 90×= 0.72÷0.6=
1.25×0.8= ÷75%= 96×65%+96×35%= 12÷×=
27+68= 341﹣103= 270÷18= -=
2÷= 0.42×0.2= 3.5×50= ×=
+=