Ответ:
Пошаговое объяснение:
№ 4
х-2 5/14=5 7/14-4 6/14
х=1 1/14+2 5/14
х=3 3/7
№ 5
а) 5/9 и 2/6
b) 5/9:2/6=5/9*6/2=10/6=1 4/6=1 2/3
№ 6
=(3 8/8-2 5/8+1 1/16)*(6 3/4-5 2/4)*64/175= =(3 16/16-2 10/16+1 1/16)*1 1/4*64/175=
=2 7/16*1 1/4*64/175=39/16*5/4*64/175=39/35=1 4/35
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Answers & Comments
Ответ:
Пошаговое объяснение:
№ 4
х-2 5/14=5 7/14-4 6/14
х=1 1/14+2 5/14
х=3 3/7
№ 5
а) 5/9 и 2/6
b) 5/9:2/6=5/9*6/2=10/6=1 4/6=1 2/3
№ 6
=(3 8/8-2 5/8+1 1/16)*(6 3/4-5 2/4)*64/175= =(3 16/16-2 10/16+1 1/16)*1 1/4*64/175=
=2 7/16*1 1/4*64/175=39/16*5/4*64/175=39/35=1 4/35