4.8+6= 0.8×0.6= 2.4×0.5= 1.25×8=
4.5-0.45= 3÷0.5= 63÷0.9= 1.2÷6=
2.5+0.5=
0.07×10=
1-0.25=
4.5-1.09=
0.4×5=
12.4n-4n=
0.16÷0.4=
2.4×0.5=
4÷0.05=
0.32=
1.25+19.9=
21.5﹣1.98=
2.4×0.4=
0÷0.4=
0.36×10=
0.37+100=
1.5×4=
2.4÷2.4=
2.8÷4=
3﹣0.98=
0.03÷0.01=