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milanazaremsky
@milanazaremsky
August 2022
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Срочно помогите решить дам 50 баллов
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bilalgakaev1
1) -16*3-24 = -48-24 = -72
2) 18/7*4/9+15/14 = 18*4/7*9+15/14 = (первую дробь можно сократить) 2/7+15/14 = 16/14+15/14 = 31/14
3) 8/35 * (5/6+11/12) = 8/35*5/6 + 8/35*11/12 = (сокращаем дроби) 4/21 + 22/105 = 20+22/105= 42/105
4) 180*3 = 540; т.к треть от 540 это 180
5) (4,5–8,3)*0,8 = 4,5*0,8–0,8*8,3= 3,6–6,64= -3,04
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Answers & Comments
2) 18/7*4/9+15/14 = 18*4/7*9+15/14 = (первую дробь можно сократить) 2/7+15/14 = 16/14+15/14 = 31/14
3) 8/35 * (5/6+11/12) = 8/35*5/6 + 8/35*11/12 = (сокращаем дроби) 4/21 + 22/105 = 20+22/105= 42/105
4) 180*3 = 540; т.к треть от 540 это 180
5) (4,5–8,3)*0,8 = 4,5*0,8–0,8*8,3= 3,6–6,64= -3,04