6.8除12.5简便运算
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6.8除12.5简便运算
6.8除12.5简便运算
6.8除12.5简便运算
6.8除以12.5
=68/125
=68X8/(125X8)
=68X(10-2)/1000
=(680-68-68)/1000
=(600-68+80-68)/1000
=(532+12)/1000
=544/1000
=0.544
6.8除12.5简便运算
6.8除12.5简便运算
6.8除12.5简便运算
6.8除以12.5
=68/125
=68X8/(125X8)
=68X(10-2)/1000
=(680-68-68)/1000
=(600-68+80-68)/1000
=(532+12)/1000
=544/1000
=0.544