| 60%× | ||
| 125%X-X=28 | (1+40%)X=98 | 1-20%X= |
| 1+20%X= | 60%X+25=40 | 1-25%X= |
| X-25%X= | 2X+30%X=9.2 | 80%X+12=40 |
| X-20%X=16 | X+30%X=65 | 1- |
直接写出得数.
| 1.57+3.03= | 13.7-5.6= | 7.5÷0.1= | 0.25×8= |
| 10- | 500-399= | 12×( |
| 60%× | ||
| 125%X-X=28 | (1+40%)X=98 | 1-20%X= |
| 1+20%X= | 60%X+25=40 | 1-25%X= |
| X-25%X= | 2X+30%X=9.2 | 80%X+12=40 |
| X-20%X=16 | X+30%X=65 | 1- |
| 1.57+3.03= | 13.7-5.6= | 7.5÷0.1= | 0.25×8= |
| 10- | 500-399= | 12×( |