+ = 4× = - = ÷ = × =
2- = ÷ = × = ×0= ÷ =
3-1=
×1.6=
0.8÷0.01=
(0.25++)×8=
1÷1=
0.6÷=
4-1÷3-8×=
0.1×0.1+0.1÷0.1=
7﹣6.38= 0.42÷0.7= 0.62= 37.2×99+37.2=
7.3﹣3= 8÷0.5= 53= 9﹣(2.5+6.5)=
0.8﹣0.35= 1÷0.25= 0.22×0.5= 10﹣4.8﹣3.2=
0.3÷0.7= 9.82-9.8= 2.4+0.06= 9.03×5×2=
8-1.6= 0.82+0.42= 17÷9= 0.4×0.52=
如图中,A、B各表示哪个数?A是 , B是。