问题
解答题
用适当的方法解答下题
|
答案
(1)4.85×0.17+0.485×8.3,
=0.485×1.7+0.485×8.3,
=0.485×(1.7+8.3),
=0.485×10,
=4.85;
(2)
4 |
11 |
4 |
11 |
=
4 |
11 |
4 |
11 |
4 |
11 |
=
4 |
11 |
=
4 |
11 |
=36.
用适当的方法解答下题
|
(1)4.85×0.17+0.485×8.3,
=0.485×1.7+0.485×8.3,
=0.485×(1.7+8.3),
=0.485×10,
=4.85;
(2)
4 |
11 |
4 |
11 |
=
4 |
11 |
4 |
11 |
4 |
11 |
=
4 |
11 |
=
4 |
11 |
=36.