5 класс.ПОМОГИТЕ!!!!!!! Решите пожалуйста!!! Даю 10 балов.
(1 5/6+2 4/9-1 3/4)*4-(3 1/2-1 7/10)*5=???
(1 5/6+2 4/9-1 3/4)*4-(3 1/2-1 7/10)*5=???
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Answers & Comments
1) 11/6+22/9-7/4=66/36+88/36-63/36=91/36
2). 91/36*4=91/9 10 1/9
3) 7/2-17/10=35/10-17/10=18/10
4). 18/10*5=18/2=9
5). 10 1/9-9=1 1/9