> 数学 >
0.625×5.8+
5
8
×3.2+5×
1
8
人气:290 ℃ 时间:2020-03-31 18:13:46
解答
0.625×5.8+
5
8
×3.2+5×
1
8

=
5
8
×5.8+
5
8
×3.2+
5
8

=(5.8+3.2+1)×
5
8

=10×
5
8

=
25
4
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