题目内容
直接写得数
(1)0.125×32=
(2)
×9÷
×9=
(3)13.76-(
+1.76+1
)= .
(1)0.125×32=
(2)
| 5 |
| 9 |
| 5 |
| 9 |
(3)13.76-(
| 7 |
| 12 |
| 5 |
| 12 |
考点:小数乘法,分数的四则混合运算
专题:计算题
分析:(1)0.125×32把32分成8×4,然后运用乘法的结合律进行计算即可.
(2)
×9÷
×9运用乘法的交换律及结合律进行解答即可.
(3)13.76-(
+1.76+1
)先计算括号内部的再计算括号外面的.
(2)
| 5 |
| 9 |
| 5 |
| 9 |
(3)13.76-(
| 7 |
| 12 |
| 5 |
| 12 |
解答:
解:(1)0.125×32
=0.125×8×4
=4
(2)
×9÷
×9
=
÷
×9×9
=1×9×9
=81
(3)13.76-(
+1.76+1
)
=13.76-3.76
=10
故答案为:4,81,10.
=0.125×8×4
=4
(2)
| 5 |
| 9 |
| 5 |
| 9 |
=
| 5 |
| 9 |
| 5 |
| 9 |
=1×9×9
=81
(3)13.76-(
| 7 |
| 12 |
| 5 |
| 12 |
=13.76-3.76
=10
故答案为:4,81,10.
点评:本题考查乘法的交换律及结合律进行解答即可.
练习册系列答案
相关题目