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жамиля098
@жамиля098
August 2022
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Номер 1677 помогите пожалуйста
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гюйс
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1.
(6 1/4-4 1/8)*4+3 1/3:2 1/2=9 5/6
1) 6 1/4-4 1/8=6 2/8- 4 1/8=2 1/8
2) 2 1/8*4=8 1/2
3) 3 1/3:2 1/2=10/3*2/5=4/3=1 1/3
4) 8 1/2+1 1/3=8 3/6+1 2/6=9 5/6
2.
(2 4/9+1 1/6)*1 4/5-3 1/9:2 1/3=5 1/6
1) 2 4/9+1 1/6=2 8/18+1 3/18=3 11/18
2) 3 11/18*1 4/5=65/18*9/5=13/2=6 1/2
5) 3 1/9:2 1/3=28/9*3/7=4/3=1 1/3
6) 6 1/2-1 1/3=6 3/6-1 2/6=5 1/6
3.
(2-1 7/12):(3/8-1/6)*3 1/4=6 1/2
1) 2-1 7/12=5/12
2) 3/8-1/6=9/24-4/24=5/24
3) 5/12:5/24=5/12*24/5=2
4) 2*3 1/4=6 1/2
4.
(7/10-2/5)*(1/4+5/6):6 1/2=1/20
1) 7/10-2/5=7/10-4/10=3/10
2) 1/4+5/6=3/12+10/12=13/12=1 1/12
3) 3/10*13/12=13/40
4) 13/40:6 1/2=13/40*2/13=1/20
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Answers & Comments
Verified answer
1.(6 1/4-4 1/8)*4+3 1/3:2 1/2=9 5/6
1) 6 1/4-4 1/8=6 2/8- 4 1/8=2 1/8
2) 2 1/8*4=8 1/2
3) 3 1/3:2 1/2=10/3*2/5=4/3=1 1/3
4) 8 1/2+1 1/3=8 3/6+1 2/6=9 5/6
2.
(2 4/9+1 1/6)*1 4/5-3 1/9:2 1/3=5 1/6
1) 2 4/9+1 1/6=2 8/18+1 3/18=3 11/18
2) 3 11/18*1 4/5=65/18*9/5=13/2=6 1/2
5) 3 1/9:2 1/3=28/9*3/7=4/3=1 1/3
6) 6 1/2-1 1/3=6 3/6-1 2/6=5 1/6
3.
(2-1 7/12):(3/8-1/6)*3 1/4=6 1/2
1) 2-1 7/12=5/12
2) 3/8-1/6=9/24-4/24=5/24
3) 5/12:5/24=5/12*24/5=2
4) 2*3 1/4=6 1/2
4.
(7/10-2/5)*(1/4+5/6):6 1/2=1/20
1) 7/10-2/5=7/10-4/10=3/10
2) 1/4+5/6=3/12+10/12=13/12=1 1/12
3) 3/10*13/12=13/40
4) 13/40:6 1/2=13/40*2/13=1/20