вычислите (1 / 12 – 1/13):(1/13-1/14)*(1/14-1/15) :(1/15-1/16). Created by умник45747. matematika-ru

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вычислите (1 / 12 – 1/13):(1/13-1/14)*(1/14-1/15) :(1/15-1/16)

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Memislam 1) 1/12-1/13=13/156-12/156=1/156;
2) 1/13-1/14=14/182-13/182=1/182;
3) 1/14-1/15=15/210-14/210=1/210;
4) 1/15-1/16=16/240-15/240=1/240;
5) 1/156:1/182= 1 целая 1/6;
6) 1 целая 1/6*1/210=1/180;
7) 1/180:1/240=1 целая 1/3;

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