题目
用你喜欢的方法脱式计算.
203×45-3780÷35;
0.6251×1.8÷4.5+7.5;
0.25×0.24×4;
203×45-3780÷35;
0.6251×1.8÷4.5+7.5;
0.25×0.24×4;
9 |
10 |
提问时间:2021-03-23
答案
(1)203×45-3780÷35
=9135-108
=9027;
(2)0.6251×1.8÷4.5+7.5
=0.25004+7.5
=7.75004;
(3)0.25×0.24×4
=0.25×4×0.24
=0.24;
(4)
×[
÷﹙
+
﹚]
=
×[
÷
]
=
×
=
.
=9135-108
=9027;
(2)0.6251×1.8÷4.5+7.5
=0.25004+7.5
=7.75004;
(3)0.25×0.24×4
=0.25×4×0.24
=0.24;
(4)
9 |
10 |
7 |
8 |
4 |
5 |
1 |
4 |
=
9 |
10 |
7 |
8 |
21 |
20 |
=
9 |
10 |
5 |
6 |
=
3 |
4 |
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