1)3/7+5/6=(3*6+5*7)/42=(18+35)/42=53/42=1 и 11/42
2)4/8+3/5=1/2+3/5=(1*5+3*2)/10=(5+6)/10=11/10=1 и 1/10=1,1
3)8 и 5/6-5 и 4/3=(6*8+5)/6-(5*3+4)/3=(48+5)/6-(15+4)/3=53/6-19/3=(53-19*2)/6=(53-38)/6=15/6=2 и 3/6= 2 и 1/2=2,5
1. 1 11/42
2. 1 1/10
3. 2 1/2
Пошаговое объяснение:
1. 3/7+5/6= 18/42 + 35/42 = 53/42 = 1 11/42
2. 4/8+3/5= 1/2 + 3/5 = 5/10 + 6/10 = 11/10 = 1 1/10
3. 8. 5/6-5. 4/3= 8 5/6 - 6 1/3 = 8 5/6 - 6 2/6 = 2 3/6 = 2 1/2
1)3/7+5/6=(3*6+5*7)/42=(18+35)/42=53/42=1 и 11/42
2)4/8+3/5=1/2+3/5=(1*5+3*2)/10=(5+6)/10=11/10=1 и 1/10=1,1
3)8 и 5/6-5 и 4/3=(6*8+5)/6-(5*3+4)/3=(48+5)/6-(15+4)/3=53/6-19/3=(53-19*2)/6=(53-38)/6=15/6=2 и 3/6= 2 и 1/2=2,5
1. 1 11/42
2. 1 1/10
3. 2 1/2
Пошаговое объяснение:
1. 3/7+5/6= 18/42 + 35/42 = 53/42 = 1 11/42
2. 4/8+3/5= 1/2 + 3/5 = 5/10 + 6/10 = 11/10 = 1 1/10
3. 8. 5/6-5. 4/3= 8 5/6 - 6 1/3 = 8 5/6 - 6 2/6 = 2 3/6 = 2 1/2