Предмет: Математика, автор: nyus1a

помогите сократить дробь 40×63
                                         70×45                                                                                                                                             

Ответы

Автор ответа: Аноним
0
(40х63)/(70х45)=(4х63)/(7х45)=252/315 сокращаем на 9 и получаем =28/35
Автор ответа: ГетмановаЕкатерина
0
40*63        8*9         4
---------= ------------=  -----=0,8
70*45       10*9       5
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