题目内容
直接写得数
(1)0.36+0.4=
(2)12.5×32×2.5=
(3)1÷0.9=
(4)8×(12+0.5)=
(5)9-
+
=
(6)
÷
=
(7)
-
=
(8)1÷
=
(9)5
+0.8=
(10)6+6-
=
(1)0.36+0.4=
(2)12.5×32×2.5=
(3)1÷0.9=
(4)8×(12+0.5)=
(5)9-
| 5 |
| 9 |
| 4 |
| 9 |
(6)
| 5 |
| 8 |
| 8 |
| 5 |
(7)
| 1 |
| 3 |
| 1 |
| 4 |
(8)1÷
| 2 |
| 3 |
(9)5
| 1 |
| 8 |
(10)6+6-
| 9 |
| 2 |
分析:根据小数与分数的加减乘除的计算方法进行计算,能简算的要简算.
解答:解:(1)0.36+0.4=0.76,
(2)12.5×32×2.5=1000,
(3)1÷0.9=
,
(4)8×(12+0.5)=100,
(5)9-
+
=8
,
(6)
÷
=
,
(7)
-
=
,
(8)1÷
=
,
(9)5
+0.8=5.925,
(10)6+6-
=7.5.
(2)12.5×32×2.5=1000,
(3)1÷0.9=
| 10 |
| 9 |
(4)8×(12+0.5)=100,
(5)9-
| 5 |
| 9 |
| 4 |
| 9 |
| 8 |
| 9 |
(6)
| 5 |
| 8 |
| 8 |
| 5 |
| 25 |
| 64 |
(7)
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
(8)1÷
| 2 |
| 3 |
| 3 |
| 2 |
(9)5
| 1 |
| 8 |
(10)6+6-
| 9 |
| 2 |
点评:小数的计算要注意小数点的位置,分数的计算要注意转化.
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