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0.125×
3
4
+
1
8
×8.25+12.5%
人气:363 ℃ 时间:2019-11-09 01:46:58
解答
0.125×
3
4
+
1
8
×8.25+12.5%,
=0.125×0.75+0.125×8.25+0.125,
=0.125×(0.75+8.25+1),
=0.125×10,
=1.25.
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