3+5= 0+3= 4-0= 2+6=
9-2= 8-8= 5+4= 8-7=
7-3= 9-7= 9-8= 6-5=
5+2-3= 9-4-2= 10-3-4= 8+2-4=
6+2-8= 1+2+5= 8-6+7= 5+4-6=
2+1= 5﹣2= 4+3= 5+1+2=
6+0= 3﹣3= 10﹣7= 2+2+5=
3+6= 10+2= 9﹣8= 3+4﹣2=
4+4= 13﹣10= 19﹣9= 11﹣1﹣6=
19-3= 16-3= 6+8= 7+5+4=
18-7= 10+6= 7+9= 14-4-6=
3+9= 14+6= 14+5= 18-3+7=
14 35 22 80
4-12 0+31 5-23 3-30
810÷30= 0.38+3.8= 0.15×0.2=
÷= ﹣×0= ×3÷3×=
① -( - )-
②875-375÷25
③12.5×32×0.25
④48×75%+53× -0.75
⑤