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ApplePanda
@ApplePanda
July 2021
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Вычислите: (3 1/4 + 2 1/6) :2 3/5 - 2/3 * 2 1/4 + 5 1/6
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zhenyaM2002
Verified answer
(3 1/4 +2 1/6 ) : 2 3/5 - 2/3 * 2 1/4 + 5 1/6= 5 3/4
1) 3 1/4 + 2 1/6 = 3 3/12 + 2 2/12 =5 5/12
2) 5 5/12 : 2 3/5 = 65/12 : 13/5 = (65*5)/(12*13)=
=(5*5)/ (12*1) =25/12= 2 1/12
3) 2/3 * 2 1/4 = 2*9/ 3*4= 1*3/ 1*2= 3/2 = 1 1/2
4) 2 1/12 - 1 1/2 = 25/12 - 18/12 = 7/12
5) 7/12 + 5 1/6 = 7/12 + 5 2/12= 5 9/12= 5 3/4
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Answers & Comments
Verified answer
(3 1/4 +2 1/6 ) : 2 3/5 - 2/3 * 2 1/4 + 5 1/6= 5 3/41) 3 1/4 + 2 1/6 = 3 3/12 + 2 2/12 =5 5/12
2) 5 5/12 : 2 3/5 = 65/12 : 13/5 = (65*5)/(12*13)=
=(5*5)/ (12*1) =25/12= 2 1/12
3) 2/3 * 2 1/4 = 2*9/ 3*4= 1*3/ 1*2= 3/2 = 1 1/2
4) 2 1/12 - 1 1/2 = 25/12 - 18/12 = 7/12
5) 7/12 + 5 1/6 = 7/12 + 5 2/12= 5 9/12= 5 3/4