题目内容
| 0.75+0.875+1.25+0.125=(0.75+1.25)+(0.875+0.125)应用到 |
A.加法交换律 B.加法结合律 C.加法交换律和加法结合律 |
试题答案
C
相关题目
(2012?黄岩区)脱式计算.(能简算的要简算)
(1)1020+270÷18-864
(2)
÷0.8×
(3)
+
+6.875+
(4)0.25×64×125%
(5)[
-(
-
)]×
(6)6.35×0.75+4.65×75%-
.
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(1)1020+270÷18-864
(2)
| 2 |
| 3 |
| 3 |
| 4 |
(3)
| 1 |
| 8 |
| 5 |
| 7 |
| 2 |
| 7 |
(4)0.25×64×125%
(5)[
| 8 |
| 15 |
| 7 |
| 12 |
| 2 |
| 5 |
| 15 |
| 14 |
(6)6.35×0.75+4.65×75%-
| 3 |
| 4 |
| 直接写得数 6.4+3
|
0.875÷0.125= | 3
|
| ||||||||||||||||||||
3÷
|
7
|
36×(
|
|
| 8+2-8+2 | 25×4÷25×4 |
|
26-0.75+0.25 | ||||
| 7.26-(5.26-1.5) | 286+198 | 314-202 | 526+301 | ||||
| 223-99 | 6.25+3.85-2.125+3.875 | 9-24÷56×21 | 98×58+58+58. |
| 直接写出得数. 101×1.1= | 0.875÷ | 0.7+0.63= |
| 6.75- | 99×66+66= | |
| ( | 5×1.25×16= | 0.46+0.54= |
| 12×( | 8×98×125= |