41.2乘8.1加11乘1.25加53.7乘1.9

简便计算(运算符号用文字代替了)...
2026年09月26日 11:11
有3个网友回答
网友(1):

41.2乘8.1加11乘1.25加53.7乘1.9
=41.2乘(10减1.9)加11乘1.25加53.7乘1.9
=412减41.2乘1.9+53.7乘1.9+11乘1.25
=412+12.5乘1.9加11乘1.25
=412加1.25乘19加1.25乘11
=412加1.25乘30
=412加37.5
=449.5
(按你的要求,运算符号都用文字代替了,好累)
给分

网友(2):

41.2×8.1+11×1.25+53.7×1.9
=41.2×(10-1.9)+11×1.25+53.7×1.9
=412-41.2×1.9+53.7×1.9+11×1.25
=412+12.5×1.9+11×1.25
=412+1.25×19+1.25×11
=412+1.25×30
=412+37.5
=449.5

给我分!

网友(3):

41.2*8.1+41.2*1.9+12.5*1.9+11*1.25
=41.2*8.1+41.2*1.9+12.5*1.9+1.1*12.5
=41.2*10+12.5*3
=412+37.5
-=449.5