Question

a) 78 45 + 54 - 49; B) 721:7-112: 8+37 22; A) 315 (375-24 15) + 98; . 6) 231112-223-109; r) 322 23 22-483 9:23; e) (24 7-676: 13) 13 - 238.​

Answer 1

Ответ:

А) 7845+54=7850

В)721÷7-112:8+3722=3811

Answer 2

To solve the given expression, let's break it down step by step:

a) 78 + 45 + 54 - 49: - Add 78, 45, and 54: 177 - Subtract 49: 128

b) 721:7 - 112 + 8 + 37 + 22: - Divide 721 by 7: 103 - Subtract 112: -9 - Add 8, 37, and 22: 58 - Add -9 and 58: 49

A) 315 + (375 - 24 + 15) + 98: - Subtract 24 from 375: 351 - Add 351 and 15: 366 - Add 315, 366, and 98: 779

. 6) 231112 - 223 - 109: - Subtract 223 from 231112: 230889 - Subtract 109: 230780

r) 322 + 23 + 22 - 483 + 9:23: - Add 322, 23, and 22: 367 - Subtract 483: -116 - Divide 9 by 23: 0.3913 (rounded to four decimal places) - Add -116 and 0.3913: -115.6087 (rounded to four decimal places)

e) (24 + 7 - 676: 13) + 13 - 238: - Divide 676 by 13: 52 - Add 24, 7, and -52: -21 - Add -21 and 13: -8 - Subtract 238: -246

Therefore, the values of the given expressions are: a) 128 b) 49 A) 779 . 6) 230780 r) -115.6087 e) -246

Please let me know if there's anything else I can help you with!