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alinamayyyyyy
@alinamayyyyyy
June 2022
1
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помогите пожалуйста решить пример 2,3,4 #1090 пожалуйста хотя-бы один
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гюйс
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1.
А=4
1) 4 7/9 - 2 5/6=4 14/18 - 2 15/18=1 17/18
2) 1 17/18 : 1 5/9=35/18 * 9/14=5/4=1 1/4
3) 4/9 * 6 3/16=4/9 * 99/16=11/4=2 3/4
4) 1 1/4+2 3/4=3 4/4=4
В=5
1) 1 2/3+2 3/4=1 8/12+2 9/12=3 17/12=4 5/12
2) 4 5/12: 8 5/6=53/12 * 6/53=1/2
3) 1 5/12 - 4/9=1 15/36 - 16/36=35/36
4) 35/36 : 2 1/3=35/36 * 3/7=5/12
5) 1/2*5/12=5/24
6) 5/24 * 24=5
А/В=4/5
4/5 * 100%=80%
2.
А=5
1) 3 2/5 - 1 3/4=3 8/20 - 1 15/20=1 13/20
2) 1 13/20 * 1 2/3=33/20 * 5/3=11/4=2 3/4
3) 2 1/6+2 3/4=2 2/12+2 9/12=4 11/12
4) 3/14 : 2 4/7=3/14 * 7/18=1/12
5) 4 11/12+1/12=5
В=4
1) 2 4/9 :2=22/9 * 1/2=11/9=1 2/9
2) 1 7/36 * 4=1*4+7/36*4=4+7/9=4 7/9
3) 1 2/9+4 7/9=5 9/9=6
4) 6*1/3=2
5) 2 1/6 - 1 2/3=2 1/6 - 1 4/6=3/6=1/2
6) 2 : 1/2=2*2=4
А/В=5/4
5/4 *100%=5*25=125%
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Verified answer
1.А=4
1) 4 7/9 - 2 5/6=4 14/18 - 2 15/18=1 17/18
2) 1 17/18 : 1 5/9=35/18 * 9/14=5/4=1 1/4
3) 4/9 * 6 3/16=4/9 * 99/16=11/4=2 3/4
4) 1 1/4+2 3/4=3 4/4=4
В=5
1) 1 2/3+2 3/4=1 8/12+2 9/12=3 17/12=4 5/12
2) 4 5/12: 8 5/6=53/12 * 6/53=1/2
3) 1 5/12 - 4/9=1 15/36 - 16/36=35/36
4) 35/36 : 2 1/3=35/36 * 3/7=5/12
5) 1/2*5/12=5/24
6) 5/24 * 24=5
А/В=4/5
4/5 * 100%=80%
2.
А=5
1) 3 2/5 - 1 3/4=3 8/20 - 1 15/20=1 13/20
2) 1 13/20 * 1 2/3=33/20 * 5/3=11/4=2 3/4
3) 2 1/6+2 3/4=2 2/12+2 9/12=4 11/12
4) 3/14 : 2 4/7=3/14 * 7/18=1/12
5) 4 11/12+1/12=5
В=4
1) 2 4/9 :2=22/9 * 1/2=11/9=1 2/9
2) 1 7/36 * 4=1*4+7/36*4=4+7/9=4 7/9
3) 1 2/9+4 7/9=5 9/9=6
4) 6*1/3=2
5) 2 1/6 - 1 2/3=2 1/6 - 1 4/6=3/6=1/2
6) 2 : 1/2=2*2=4
А/В=5/4
5/4 *100%=5*25=125%