题目内容
直接写得数.
×
÷
×
=
9.75-6.32-1.68=
(
+
-
)×75=
99
×11=
6.5×
+
=
×
×
×
×…×
×
=
| 2 |
| 7 |
| 3 |
| 4 |
| 2 |
| 7 |
| 3 |
| 4 |
9.75-6.32-1.68=
(
| 1 |
| 5 |
| 2 |
| 3 |
| 4 |
| 15 |
99
| 7 |
| 11 |
6.5×
| 4 |
| 13 |
| 9 |
| 13 |
| 3 |
| 4 |
| 4 |
| 5 |
| 5 |
| 6 |
| 6 |
| 7 |
| 2008 |
| 2009 |
| 2009 |
| 2010 |
分析:本题运用分数乘除法的计算法则进行计算,计算时一定要认真细心,才能正确的解答,第(6)题要认真观察数值规律,在认真计算.
解答:解:(1)
×
÷
×
=
,
(2)9.75-6.32-1.68=1.75,
(3)(
+
-
)×75=45,
(4)99
×11=1096,
(5)6.5×
+
=2
,
(6)
×
×
×…×
×
=
.
| 2 |
| 7 |
| 3 |
| 4 |
| 2 |
| 7 |
| 3 |
| 4 |
| 9 |
| 16 |
(2)9.75-6.32-1.68=1.75,
(3)(
| 1 |
| 5 |
| 2 |
| 3 |
| 4 |
| 15 |
(4)99
| 7 |
| 11 |
(5)6.5×
| 4 |
| 13 |
| 9 |
| 13 |
| 9 |
| 13 |
(6)
| 3 |
| 4 |
| 4 |
| 5 |
| 5 |
| 6 |
| 2008 |
| 2009 |
| 2009 |
| 2010 |
| 1 |
| 670 |
点评:计算注意运算符号和数字的特点.
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