02Jan

11 1/4*1/9-4 7/12*4/11

Renata7 Математика 2 7

11 1/4*1/9-4 7/12*4/11

Posted by Renata7 | Posted at Jan 02, 2014 | Categories: Математика

Answers

Ярослав092000
Ярослав092000

(45/36)-(55*4/12*11)=(45/36)-(220/132) Сокращаем 45 и 36 на 9; 220 и 132 на 4 (5/4)-(55/33) Сокращаем 55 и 33 на 11 (5/4)-(5/3) =(5*3-5*4)/12=(15-20)/12=-5/12

Jan 02, 2014 22:02
про100ймаксимка
про100ймаксимка

11 1/4*1/9-4 7/12*4/11= 11.1/4*1/9=45/4*1/9=5/4=1.1/4 4.7/12*4/11=55/12*4/11=5/3=1.2/3 1.1/4-1.2/3=(1-1)-(3/12-8/12)=-5/12

Jan 02, 2014 22:03

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