> 数学 >
计算:84
4
19
×1.375+105
5
19
×0.9
=______.
人气:338 ℃ 时间:2019-12-21 04:16:25
解答
84
4
19
×1.375+105
5
19
×0.9,
=(84+
4
19
)×
11
8
+(105+
5
19
)×
9
10

=115.5+
11
38
+94.5+
9
38

=210+
10
19

=210
10
19

故答案为:210
10
19
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