342x11.25+65.8x112.5简便计算明天要交啦

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342x11.25+65.8x112.5简便计算明天要交啦
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342x11.25+65.8x112.5简便计算明天要交啦
342x11.25+65.8x112.5简便计算
明天要交啦

342x11.25+65.8x112.5简便计算明天要交啦
342x11.25+65.8x112.5
=342x11.25+65.8x(11.25x10)
=342x11.25+65.8x11.25x10
=342x11.25+(65.8x10)x11.25
=342x11.25+658x11.25
=(342+658)x11.25
=1000x11.25
=11250

=34.2*112.5+65.8*112.5
=(34.2+65.8)*112.5
=11250

=342x11.25+65.8x10x11.25
=(342+658)x11.25
=11250

342X11.25+65.8X112.5
=34.2X112.5+65.8X112.5
=(34.2+65.8)x112.5
=100x112.5
=11250