| 40×2= |
44×2= |
300×8= |
12×6= |
| 31×2= |
32+48= |
240×2= |
600×8= |
| 240﹣60= |
120×4= |
23+59= |
450﹣70= |
| 600﹣60= |
70×7= |
200+240= |
50×7= |
| 62﹣26= |
90+160= |
6×9+8= |
7×8+6= |
直接写得数.
÷18= 125×0.8= 1÷
+
= 36×(
﹣
)= 2
﹣0.76+
=
3.6×
= 50×2.4= 10÷
= 10.01×8.99≈
×
÷
×
=
直接写数对又快!
×
÷
×
=
÷
÷
=
×12.1﹣1=
+
÷
=
1÷0.1﹣1×0.1= 15.4﹣(5.4﹣4.5)= 0.4×0.4= 402﹣139=
用竖式计算并验算.
6848÷856
28.4×0.23
脱式计算,能简算的必须简算,并写出主要过程.
808×1.25
8.6×[1÷(12.1﹣12.09)]
(
)×
9
×3.8+
.
灵活计算下面各题.
(1)54.75﹣5.25﹣14.75
(2)16.4÷(4.3×2﹣0.4)
(3)1.25×32(4)
×[1﹣(
﹣
)].