+ = 0.24×5= 4.8÷10%= 20×( + )= 36×25%=
12.6÷0.3= ×2.4= - ×0= 632÷69≈ 7.99×9.99%≈
25×24= 910﹣570= 6.3÷0.9=
+ = + = ÷0.1=
0.25 0.04
453+198=
10﹣0.03=
0.1÷0.01=
4×0.025=
4.5﹣0.75﹣0.25=
5×4÷5×4=