1+5= 4+3= 9﹣3= 1+2+7=
2+6= 10+1= 8﹣8= 8﹣3+1=
13﹣3= 18﹣10= 6+4= 12﹣2﹣5=
16+0= 10﹣7= 5+4= 10﹣7+6=
2+3=
5-4=
3+4=
2-0=
7-4=
5-1=
6+1=
7-5=
4+1=
5+2=
2+5=
7-2=
0+3=
5-5=
6-3=
4-3=
6-6=
1+5=
101 <4 9< 5=
14+215 179+8 9+612
8-35 68-0 10+516
8+517 149+3 137+5
①15.28﹣3.6﹣3.4
②()×7.2
③
④7.5÷[(6.8﹣4.3)×0.12]