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18.32-5.47-4.32

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/14 12:34:41
18.32-5.47-4.32
13.4-(3.4+5.2)
17.29-5.28-6.29
3.68+7.56-2.68.
(1)18.32-5.47-4.32
=18.32-4.32-5.47
=14-5.47
=8.53
(2)13.4-(3.4+5.2)
=13.4-3.4-5.2
=10-5.2
=4.8
(3)17.29-5.28-6.29
=17.29-6.29-5.28
=11-5.28
=5.72
(4)3.68+7.56-2.68
=3.68-2.68+7.56
=1+7.56
=8.56