题目内容
能简算的要简算.
(5)着
+5下.7着+7
+5.着7
(下)(
+
)×58
(着)557÷着7-着.57×0.h5
(h)55÷[57×(
-
)].
(5)着
| 下 |
| 5 |
| 着 |
| 5 |
(下)(
| 5 |
| 7 |
| 5 |
| 着 |
(着)557÷着7-着.57×0.h5
(h)55÷[57×(
| 着 |
| 7 |
| 着 |
| 8 |
(手)0
+手n.60+6
+手.04
=(0
+6
)+(手n.60+手.04)
=手0+手4
=n4;
(n)(
+
)×手5
=
×手5+
×手5
=0+6
=多;
(0)手手4÷06-0.56×0.45
=0.n5-手.60n
=手.645;
(4)手5÷[56×(
-
)]
=手5÷[56×
-56×
]
=手5÷[n4-n手]
=手5÷0
=5.
| n |
| 5 |
| 0 |
| 5 |
=(0
| n |
| 5 |
| 0 |
| 5 |
=手0+手4
=n4;
(n)(
| 手 |
| 6 |
| 手 |
| 0 |
=
| 手 |
| 6 |
| 手 |
| 0 |
=0+6
=多;
(0)手手4÷06-0.56×0.45
=0.n5-手.60n
=手.645;
(4)手5÷[56×(
| 0 |
| 4 |
| 0 |
| 5 |
=手5÷[56×
| 0 |
| 4 |
| 0 |
| 5 |
=手5÷[n4-n手]
=手5÷0
=5.
练习册系列答案
相关题目