What is 4.53 × 2 + 4.52

What is 4.53 × 2 + 4.52

4.53×2＋4.52=13.58

13,23,18,25,29,37,42,19,21,27,17,57,34,1 which are prime numbers and which are composite numbers
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1,13,23,29,37,19,17 are prime numbers, and the rest are composite numbers

14 A = 15 B = 17 C = 19 D
Ask for:
A: B = (): () a: C = (): () a; d = (): () B: a = (): () B: C = (): () C: a = (): () C: B = (): () C: D = (): () d: a = (): () d: B = (): () d: C = (): () urgent!

14 of a = 15 of B = 17 of C = 19 of DA / 14 = B / 15 = C / 17 = D / 19 let a / 14 = B / 15 = C / 17 = D / 19 = k, so a = 14K, B = 15kc = 17kd = 19ka: B = (14): (15) a: C = (14): (17) a; d = (14): (19) B: a = (15): (14) B: C = (15): (17) B: D = (15): (19) C: a = (17): (14