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解方程.(1)5.6x-35x=4.8(2)5x-3×710=75.

编辑:chaxungu时间:2026-04-27 13:37:52分类:小学数学题库

解方程.
(1)5.6x-
3
5
x=4.8
(2)5x-3×
7
10
=
7
5
.(1)5.6x-
3
5
x=4.8,
(5.6-0.6)x=4.8,
5x=4.8,
5x÷5=4.8÷5,
x=0.96;

(2)5x-3×
7
10
=
7
5

5x-2.1=1.4,
5x-2.1+2.1=1.4+2.1,
5x=3.5,
5x÷5=3.5÷5,
x=0.7.