Плиз помогите с 1028, на карандаш не обращайте внимания.. Created by Naek87. matematika-ru

Плиз помогите с 1028, на карандаш не обращайте внимания...

Naek87 @Naek87

July 2022 1 4 Report

Плиз помогите с 1028, на карандаш не обращайте внимания.

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гюйс

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А) ..................=3 1/12

1) 2/15+1 7/12=8/60+1 35/60=1 43/60
2) 1 43/60 * 30/103=103/60*30/103=1/2
3) 2 : 2 1/4 * 9/32=2 * 4/9 * 9/32=4/16=1/4
4) 1/2+1/4=2/4+1/4=3/4
5) 3/4+2 1/3=9/12+2 4/12=2 13/12=3 1/12

б) ...........................=6 5/42

1) 7 1/2 * 2 2/3=15/2 * 8/3=5*4=20
2) 12 1/4 : 7/9=49/4 * 9/7=63/4=15 3/4
3) 20 - 15 3/4=4 1/4
4) 4 1/4 :6=17/4*1/6=17/24
5) 17/24+3 1/8=17/24+3 3/24=3 20/24=3 5/6
6) 3 5/6+5 2/7=3 35/42+5 12/42=5 47/42=6 5/42

в) .....................=10 1/90

1) 5 1/3 : 6 2/5=16/3 * 5/32=5/6
2) 12 : 3 3/5=12 * 5/18=10/3=3 1/3
3) 3 1/3 2/3=2 4/3-2/3=2 2/3
4) 2 2/3 * 2/3=8/3 * 2/3=16/9=1 7/9
5) 5/6+1 7/9=5/6+1 7/9=45/54 + 1 42/54=1 87/54=2 33/54=2 11/18
6) 2 11/18+7 2/5=2 55/90+7 36/90=9 90/90=10 1/90

г) ........................=19 20/59

1) 3 15/28 :9/28=99/28 * 28/9=11
2) 1 :1 10/49=49/59
3) 11 - 49/59=10 10/59
4) 2/5 * 10 10/59=2/5 * 500/59=200/59
5) 200/59 : 2=200/59*1/2=100/59=1 41/59
6) 21 2/59 - 1 41/59=20 61/59 - 1 41/59=19 20/59

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kakaya russkaya poslovica podhodit po smyslu k slovam konfuciya nichtozhnyj chelovek

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kakaya russkaya poslovica podhodit po smyslu k slovam konfuciya nichtozhnyj chelovek

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