直接写出得数
| 0.3×0.4= | 960÷60= | 6÷0.1= | 0.6+4= |
 + = | 3.39÷339= |  × = | 1.8+2%= |
| 540-70= | 3×3×3= | 5×4+4= |
| 63÷（3×3 ）= | 72-2-30= | 1800+900= |
| 55÷5= | 68-27-13= | 86-（35-14）= |
×8=
=
解方程．
| 30x-30=180 |  x- x= |  x÷75%=3． |
| 0.3×0.4= | 960÷60= | 6÷0.1= | 0.6+4= |
| += | 3.39÷339= | ×= | 1.8+2%= |
| 540-70= | 3×3×3= | 5×4+4= |
| 63÷（3×3 ）= | 72-2-30= | 1800+900= |
| 55÷5= | 68-27-13= | 86-（35-14）= |
| 30x-30=180 | x-x= | x÷75%=3． |