13=
1-1÷6=
202.2÷0.1=
- = + = 9.3-6.87= 12.5×8= 8-( + )=
3+ = 4- = - = -0.375= 3.68+ -0.68=
+5= 8× = - = × =
×8= 2- = 100× = + =
1- =
2+=
0.8 5 4
3.5+2.5= 10﹣0.35= 0.56÷0.7= 20%×5%= 12:2.4=
25×0.8= 9﹣2= 3.75+1= 0÷18= :=