×
3
÷
1
910÷70= | 8×12.5%= | 2.4× | 0.22= |
|
| 21×397≈ | 632÷91≈ |
⑴59×101 ⑵12.7-3.6-5.4
⑶1.25×2.5×3.2 ⑷31.9×0.18-80%×3.19
⑸24×(+
-
) ⑹(48×
+64)÷25%
⑴x-25%x=75 ⑵x:=
:4 ⑶(x-1.5)×
=6