60÷80%= 75%+0.25= = =
0.22=
6.8+1.28=
0.5÷0.25=
50×30%=
1﹣1÷7=
6÷=
×24=
2008﹣199=
+=
2.5×0.7×0.4=
6.4-3.32=
578+298=
48×25%=
-=
1÷=
4÷=
12×2.5=
+=
4.35÷0.5=
302×8.89=
799×20=
0.1×25×4= 22.9÷2.29= 8×12.5%= 4.5×=
9+1÷10= ++= ÷= (+)×20=
25×3.6=
0÷2023=
7.2÷0.4=
2+2%=
( + )×4=
÷ =
3.9+6.1÷ =
1﹣ ÷ =
10﹣0.86= × = 24× = 125%×8=
+ = ÷ = 0.62= 453÷52≈
□○□=□