5+4= 7-5= 3+4= 8-3=
8+9= 7+8= 5+9= 17-6=
10+10= 3+8= 18-6= 13+5=
12+7= 19-5= 10-7= 13+0=
1+6+9= 14-4+6= 9+9-5=
8-3+7= 17-2-15= 8+5+2=
2+9= 7+5= 10+8= 6+9=
5+8= 4+8= 16–6= 9–5=
7+8 = 3+7= 9+4= 14+5=
6+8 = 5+9= 9+9= 18–6=
18–7+4= 17+2–6= 18–3–2=
19–5–5= 16–2-1= 3+5+9=
2+3= 17-2= 9-2= 5+6= 12+3+2=
4+5= 14-3= 9+6= 3+7= 15-5-4=
9+0= 10-4= 8+8= 4+9= 16-4+3=
9-4= 5+9= 13-3= 12+3= 12+5-4=
2
4
8
6
1
3
5
7
9
11
86+124= ×63=49
2﹣= 1÷×=
10﹣3.6= 8.32÷4=
0.25×0.25= 0.38×90+3.8=