问题
解答题
72.5×0.825+10
|
答案
72.5×0.825+10
×73 4
-0.19×7251 4
=72.5×0.825+10.75×7.25-0.19×725，
=7.25×8.25+10.75×7.25-19×7.25，
=（8.25+10.75-19）×7.25，
=0×7.25，
=0．
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72.5×0.825+10
|
72.5×0.825+10
×73 4
-0.19×7251 4
=72.5×0.825+10.75×7.25-0.19×725，
=7.25×8.25+10.75×7.25-19×7.25，
=（8.25+10.75-19）×7.25，
=0×7.25，
=0．