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каранаkarina12
@каранаkarina12
August 2022
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Flash3146
Verified answer
#1
1 книга-x
2 книга-x-0,25x
x+x-0,25x=1260
1,75x=1260|:1,75
x=126000/175=25200/35=5040/7=720(р)1
2=1260-720=540(р)
#2
40-100%
12-x
40x=12*100
40x=1200|:40
x=30(%)
1 votes
Thanks 2
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Answers & Comments
Verified answer
#11 книга-x
2 книга-x-0,25x
x+x-0,25x=1260
1,75x=1260|:1,75
x=126000/175=25200/35=5040/7=720(р)1
2=1260-720=540(р)
#2
40-100%
12-x
40x=12*100
40x=1200|:40
x=30(%)