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Jorle
@Jorle
August 2022
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Определите x в следующих пропорциях:
4,3/5,6=17,2/8x
1,9x/5,2=5,7/3,9
4x/5=3,6/4,5
20,4/13,2=5,1/3x
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По правилу пропорции произведение крайних членов = произведению средних. Т.е.
8x*4.3 = 17,2*5,6,
8x*4,3 = 96,32
8x = 96,32/4,3 = 22,4
x= 22,4/8 = 2,8
1,9x*3,9 = 5,2*5,7
1,9x = 7,6
x = 7,6/1,9 = 4
4x*4,5 = 3,6*5
4x = 4
x = 1
3x*20,4 = 13,2*5,1
3x= 3,3
x = 1,1
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Answers & Comments
Verified answer
По правилу пропорции произведение крайних членов = произведению средних. Т.е.8x*4.3 = 17,2*5,6,
8x*4,3 = 96,32
8x = 96,32/4,3 = 22,4
x= 22,4/8 = 2,8
1,9x*3,9 = 5,2*5,7
1,9x = 7,6
x = 7,6/1,9 = 4
4x*4,5 = 3,6*5
4x = 4
x = 1
3x*20,4 = 13,2*5,1
3x= 3,3
x = 1,1