0.25×28= 500×1%= 0.81× = 0.32-0.22=
8×4÷8×4= 1÷3× = 0.8÷0.01= 98÷22=
10﹣7.6=
8.32÷4=
2.4×5=
5÷2.5=
0.39×100=
0.1+0.09=
1÷=
=
=
-= += ×5÷×5= 4÷0.01×0.1=
4÷-1= 100×9.8+0.2= 15.4﹣(5.4﹣4.5)= 0.15:0.3=
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=
3.57+1.43= 4.2× =
10-9.2= 0.6×0.6=
0.72÷0.8= 8× ÷8÷ =
①4+0.7x=102
②x﹣+6=16
③x:12.5=8:
④x﹣x=18