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chernyshewalena
@chernyshewalena
July 2022
2
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Решите пожалуйста примеры:
1 пример.. 1 целая 75/94*(1 целая 1/2*1/3-13:26)=
2 пример.. ((1 целая 1/4-5/12-4/5)*4 целых 52/77-8/55)*6 целых 9/16=
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ndusha
Verified answer
1 пример..
1 75/94*(1 1/2*1/3-13:26)=0
1 1/2=3/2
3/2*1/3=1/2
13:26=13/26=1/2
1/2-1/2=0
75/94*0=0
2 пример..
((1 1/4-5/12-4/5)*4 52/77-8/55)*6 9/16=21/308
1 1/4=5/4
5/4-5/12=15/12-5/12=10/12=5/6
5/6-4/5=25/30-24/30=1/30
4 52/77=360/77
1/30* 360/77=12/77
12/77-8/55=60/385-56/385=4/385
6 9/16=105/16
4/385*105/16= 1/385* 105/4= 1/77* 21/4= 21/308=3/44
2 votes
Thanks 3
СветланаСолнышко
1 пример: 1действие: 1 цел 1/2 * 1/3 = 1 цел 2/3. 2 действие: 13:26 = 5/10.
3 действие: 1 цел 2/3 -- 5/10 = 2/15. 4 действие: 1 цел 75/94 * 2/15 = 5/47.
Ответ: 5/47. Все)
2 votes
Thanks 2
chernyshewalena
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Answers & Comments
Verified answer
1 пример..1 75/94*(1 1/2*1/3-13:26)=0
1 1/2=3/2
3/2*1/3=1/2
13:26=13/26=1/2
1/2-1/2=0
75/94*0=0
2 пример..
((1 1/4-5/12-4/5)*4 52/77-8/55)*6 9/16=21/308
1 1/4=5/4
5/4-5/12=15/12-5/12=10/12=5/6
5/6-4/5=25/30-24/30=1/30
4 52/77=360/77
1/30* 360/77=12/77
12/77-8/55=60/385-56/385=4/385
6 9/16=105/16
4/385*105/16= 1/385* 105/4= 1/77* 21/4= 21/308=3/44
3 действие: 1 цел 2/3 -- 5/10 = 2/15. 4 действие: 1 цел 75/94 * 2/15 = 5/47.
Ответ: 5/47. Все)