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Cнежинка127
@Cнежинка127
July 2022
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Вычислите: а) 50,05 – 2,15 ∙ 23; б) 120 – (48 ∙ 2,3 + 2,7); в) 220,6 – 15 ∙ 3,56 ∙ 4.
г) 53 ∙ 3,72 – 2,72 ∙ 17; д) (2,8 ∙ 52 – 9,3): 4,7
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93931
а)
50,05 - 2,15 * 23 = 50,05 - 49,45 =
0,6.
б)
120 - (48 * 2,3 + 2,7) = 120 - (110,4+2,7) = 120 - 113,1 =
6,9.
в)
220,6 - 15 * 3,56 * 4 = 220,6 - 53,4 * 4 = 220,6 - 213,6 =
7.
г)
53 * 3,72 - 2,72 * 17 = 197,16 - 46,24 =
150,92.
д)
(2,8 * 52 - 9,3) : 4,7 = (145,6 - 9,3) : 4,7 = 136,3 : 4,7 =
29.
2 votes
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Answers & Comments
б) 120 - (48 * 2,3 + 2,7) = 120 - (110,4+2,7) = 120 - 113,1 = 6,9.
в) 220,6 - 15 * 3,56 * 4 = 220,6 - 53,4 * 4 = 220,6 - 213,6 = 7.г) 53 * 3,72 - 2,72 * 17 = 197,16 - 46,24 = 150,92.
д) (2,8 * 52 - 9,3) : 4,7 = (145,6 - 9,3) : 4,7 = 136,3 : 4,7 = 29.