求:99*61.25+61.25的简便算法 很急着要用.

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求:99*61.25+61.25的简便算法很急着要用.求:99*61.25+61.25的简便算法很急着要用.求:99*61.25+61.25的简便算法很急着要用.99x61.25+61.25x1=61

求:99*61.25+61.25的简便算法 很急着要用.
求:99*61.25+61.25的简便算法 很急着要用.

求:99*61.25+61.25的简便算法 很急着要用.
99x61.25+61.25x1
=61.25x(99+1)
=61.25x100
=6125

=100*61.25=6125

99*61.25+61.25=(99+1)*61.25=100*61.25=6125

99*61.25+61.25
=(99+1)*61.25
=100*61.25
=6125

一个又发图发图

99*61.25+61.25\
=61.25*(99+1)
=61.25*100\
=6125

原题=(99+1)×61.25=100×61.25=6125

99x61.25+61.25x1
=61.25x(99+1)
=61.25x100
=6125

(99+1)*61.25

原式=61.25(99+1)
=61.25*100
=6125