直接写出得数．
 + = |  - = |  ×2= |  × = |
 × = |  ÷4= | ÷= | 12×= |
 ÷42= |  × = |  ×14= |  ÷4= |
直接写出得数
| 197+76= | 5.8-0.79= | +0.4= | 18-8 = |
| 1.6×0.5= | 20÷0.2= | 640÷16÷5= | + -+= |
=
=
=
=
=
=
=
=直接写出计算结果．
| 5--= | 6×= | 1.25×80%= |  +-+ = |
| ×15= |  ÷= | 0.56+0.34= | ×2÷×2= |
| -= | += | 60×（1-- ）= | 72÷1.2+72÷1.8= |
| 口算： 26.26÷26= | 4.57+6.43= | 7.9×11-7.9= | 3.14×32= |
| 3+-3+= | 0.1×30%= | 2÷1%-2= | ÷= |
| 1.8×4×0.5= | 1.5-1.5×0.3= | 5.7+4.3= | 1-25%= |
18× = |  ×= | 3.6÷12= | 18÷= |
 ÷22= |  ÷5= |  ÷1= | 1-0.6= |
| 0.92-0.2= | 0.52+0.4= | 0.72÷0.9= | 0÷0.24= |
| 3.3÷0.1= | 1÷0.25= | 0.6×5= | 0.2×0.4= |
| 0.25×36= | ×3= | ×12= | 4÷ = |
| ÷= | ÷ = | 10÷= | 3.5+47= |
| 0.4×12×25= | 10×= | 260-48-52= | 3.6÷12= |
| 18÷= | 5.7+4.3= | 0.25×36= | ×3= |
| 0.4×12×25= |
和
；
和
．直接写得数
| 7.2÷0.06= |  = |  = |  = |
| 10-0.8= | 5.15+= |  = | 3.7×101= |
| 直接写出得数． 175%+ =________ | 10÷10%=________ | 36× =________ | 6×1%=________ |
| +×=________ | 3÷×3=________ | 3-100%=________ | 8×÷×8=________ |
| -÷4=________ | ×÷=________． |