10.2-0.12= 4÷12= 5.62+3.8=
×2.4= 4.5÷90%=
= 0.5×2.4= 4.2÷6× =
70×5=
0.6÷0.1=
23.2+6=
32+22=
=
30×20%=
1÷3=
11×40=
810÷30=
÷ =
20×498≈
9.8÷0.01=
2.05﹣0.5=
8×25%=
2﹣ =
÷5=
4.58+5.42=
×4=
3÷40%=
÷=
÷×0=
∶=
-0.25=
0.78×=
24.8-4.8÷=
0.5÷5%= 0.75× = 2+3%= 3a×4a=
216+399= 0.25×8= 30÷10%= 0.2²=
3.6÷12= 1- = =
96-69= 0.72+2.8= 0.125×0.8= 0.32÷0.1=
4× ÷4× = 7÷ = 1- =
403×19= -80%= ( - )×12=