10-3.8= 2.8+8.2= 1.2÷0.4= 0.88×10= 1.25×11×8=
+ = × = 53= ÷4= 120×( - )=
521+46=
10﹣0.8=
204×5=
8.5÷0.5=
360÷5÷2=
=
3.5+0.8=
3﹣1.6=
0.23÷0.1=
3.14×4=
× =
﹣ =
1﹣ + =
+ × =
24×5=
91+199=
7.8+2.2=
5.3﹣2.7=
9÷0.1=
2.5×0.4=
+0.25=