1800﹣799= | 560÷8×7= | 6.4+9.6﹣12= | 8×125%= |
×1.5= | (1﹣ )×16= | ×24÷ = | 3.25×4= |
× = | ×12= | ÷ = | 20÷ = | 16×75%= |
+ = | 3﹣ = | ÷ = | ×17= | × ÷ × = |
(7.5+2.5)×0.25 | 710﹣18×4 | 5.4÷18+12 |
2÷ × | 2.25×1.8+12.5×0.18 | [1﹣( + )]×36. |
× = ÷ = = (25%-20%)÷ =
+ = = ×17= × ÷ × =
=
6÷ = × = ×16= 2÷ × =
= + = ÷ = 1÷3÷4=
6.72+4= ÷0.75= 64÷10%= 125×8×0=
0.6× = 0.42=
× = ÷ = 1- = × =
= 20%+ = ×6÷ ×6= 4+ =
7.6+4.24= × ÷ × = 0.625+37.5%=
0.3²= 5-1÷3= 2.5×101-2.5=
×36= × = × = ÷ =
1.6× = 1.2÷ = - = 6× ÷6× =
①3× ×
②24×( + )
③ ÷( × - )
④ × ÷
⑤ ÷ - ÷
⑥ ÷( - )