5+8= 3+9= 5+3= 2+7= 8+3+5=
18-7= 3+4= 11+0= 4+6= 13-3+7=
2+8= 10-3= 7-1= 6+6= 2+7-7=
1 2 3 5 6 9 7 = > <
还剩几块饼干?
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=
5+3= 9﹣6= 7+8= 9﹣5=
5+8= 3+7= 5﹣5= 8+0=
10﹣7= 9+9= 4+6= 17﹣10=
4+4+6= 8+9﹣7= 7﹣4+3= 6+7﹣3=
5﹣1+9= 9+1+8=
156+10 913 16-615 103+7
11+216 76+3 1318-8 2019
68+32= 10-0.6= 1.25×80= 0.8÷0.04=
2.4÷ = × = 5×8%= ÷ =