41.2*8.1+11*1.25+53.7*1.9 怎样巧算?是最新的
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41.2*8.1+11*1.25+53.7*1.9怎样巧算?是最新的41.2*8.1+11*1.25+53.7*1.9怎样巧算?是最新的41.2*8.1+11*1.25+53.7*1.9怎样巧算?是最
41.2*8.1+11*1.25+53.7*1.9 怎样巧算?是最新的
41.2*8.1+11*1.25+53.7*1.9 怎样巧算?
是最新的
41.2*8.1+11*1.25+53.7*1.9 怎样巧算?是最新的
=41.2*(10-8.1)+53.7*8.1+11*1.25
=53.7*8.1+41.2*10-41.2*8.1++11*1.25
=(53.7-41.2)*8.1+412+11*1.25
=12.5*8.1+1.1*1.25+412
=12.5*(8.1+1.1)+412
=12.5*9.2+412
=115+412
=527
41.2*8.1+11*1.25+53.7*1.9
=41.2*8.1+11*1.25+(41.2+12.5)*1.9
=41.2*8.1+41.2*1.9+11*1.25+12.5*1.9
=41.2*(8.1+1.9)+12.5*(1.1+1.9)
=41.2*10+12.5*3
=412+37.5
=449.5
没有巧算的办法 、
41.2*8.1+11*1.25+537*0.
41.2*8.1+11*1.25+53.7*1.9简便计算
53.7*1.9+41.2*8.1+11*1.25的简便运算
41.2乘8.1+11乘1.25+53.7乘1.9
41.2*8.1+11*1.25+53.7*1.9的简算
简便计算41.2*8.1+11*1.25+53.7*1.9急待解决.
41.2×8.1＋11×1.25＋5.37×1.9=?能简算要简算
简便计算41.2*8.1+11*1.25+53.7*1.9
简便计算,41.2×8.1+11×1.25+53.7×1.9
41.2乘8.1+11乘1.25+3.7乘1.9
41.2×8.1+11×1.25+5.37×19简便计算
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41.2×8.1+11×1.25+53.7×1.9=(要求简便计算)
41.2×8.1+11×1.25+5.37×19简便计算
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一道简算题 41.2×8.1+11×1.25+53.7×1.941.2×8.1+11×1.25+53.7×1.9那位大仙会做啊?今晚就要!
数学简便运算,简便运算（脱式计算）41.2×8.1+11×1.25+53.7×1.9格式：41.2×8.1+11×1.25+53.7×1.9=×××××=×××××=×××
41.2*8.1+61*1.25+537*0.19