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enot6klass
@enot6klass
October 2021
2
4
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СРОЧНО ПОМОГИТЕ РЕШИТЬ1.4!!!
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Answers & Comments
dianac2001
А) 2 1/3 + 2,4 * 15 = 2 1/3 + 36 = 38 1/3
б) 2 2/25 * 1 9/16 - 1,25 = 52/25 * 25/16 - 1,25 = 52/16 - 5/4 = (52- 20) /16 = 2
в) (3,8 + 5,2) (3,8 - 5,2) = 9 * (- 1,4) = - 12,6
г) (4 8/15 - 1 1/3) : 1 1/3 = (68/15 - 4/3) : 4/3 = (68 - 20) /15 : 4/3 = 48/15 : 4/3 = 12/5 =
= 2,4
1 votes
Thanks 1
кляча
Verified answer
38 1/3 в первом
2 во втором
8.82 в третьем
0 votes
Thanks 1
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Answers & Comments
б) 2 2/25 * 1 9/16 - 1,25 = 52/25 * 25/16 - 1,25 = 52/16 - 5/4 = (52- 20) /16 = 2
в) (3,8 + 5,2) (3,8 - 5,2) = 9 * (- 1,4) = - 12,6
г) (4 8/15 - 1 1/3) : 1 1/3 = (68/15 - 4/3) : 4/3 = (68 - 20) /15 : 4/3 = 48/15 : 4/3 = 12/5 =
= 2,4
Verified answer
38 1/3 в первом2 во втором
8.82 в третьем