Question

Выполни действия 1) 8/27*9/:47 2,) 11/12:7/24:2 2/21 ,3) 2 2/3:24/35:2 7/8 ,4) 13 1/2*1 1/2:2 1/4 , 5) 15/16:5/8*1 1/9 , 6)13/14:1 4/21:13/5 , 7) 4 9/38*5/23:7/19 , 8) 2 16/19* 2 1/9: 3 3/8

Answer 1

прости что два примера не сделала

Answer 2

1) To solve the expression 8/27 * 9 / 47 + 2, we follow the order of operations (PEMDAS/BODMAS). First, we perform the division: 8/27 * 9 = 0.2962962962962963. Then, we divide the result by 47: 0.2962962962962963 / 47 = 0.006297006297006297. Finally, we add 2 to get the final result: 0.006297006297006297 + 2 = 2.0062970062970063.

2) The expression 11/12 : 7/24 : 2 / 21 can be simplified by performing the divisions from left to right. First, we divide 11/12 by 7/24: (11/12) / (7/24) = 44/21. Then, we divide the result by 2/21: (44/21) / (2/21) = 22. Therefore, the value of the expression is 22.

3) To solve the expression 2 + 2/3 : 24/35 : 2 + 7/8, we again follow the order of operations. First, we perform the division: 2/3 : 24/35 = 10/9. Then, we divide the result by 2: 10/9 : 2 = 5/9. Finally, we add 2 and 7/8 to get the final result: 2 + 5/9 + 7/8 = 3.9166666666666665.

4) The expression 13 + 1/2 * 1 + 1/2 : 2 + 1/4 can be simplified by following the order of operations. First, we perform the multiplication: 1/2 * 1 = 1/2. Then, we divide 1/2 by 2: (1/2) : 2 = 1/4. Finally, we add all the terms: 13 + 1/2 + 1/4 = 13.75.

5) To solve the expression 15/16 : 5/8 * 1 + 1/9, we follow the order of operations. First, we perform the division: 15/16 : 5/8 = 3/2. Then, we perform the multiplication: (3/2) * 1 = 3/2. Finally, we add 3/2 and 1/9 to get the final result: 3/2 + 1/9 = 1.7222222222222223.

6) The expression 13/14 : 1 + 4/21 : 13/5 can be simplified by following the order of operations. First, we perform the division: 13/14 : 1 = 13/14. Then, we divide 4/21 by 13/5: (4/21) : (13/5) = 20/273. Finally, we add 13/14 and 20/273 to get the final result: 13/14 + 20/273 = 0.9761904761904762.

7) To solve the expression 4 + 9/38 * 5/23 : 7/19, we follow the order of operations. First, we perform the multiplication: 9/38 * 5/23 = 45/874. Then, we divide 45/874 by 7/19: (45/874) : (7/19) = 855/1274. Finally, we add 4 and 855/1274 to get the final result: 4 + 855/1274 = 4.671634835752482.

8) The expression 2 + 16/19 * 2 + 1/9 + 3 + 3/8 can be simplified by following the order of operations. First, we perform the multiplication: 16/19 * 2 = 32/19. Then, we add 2 and 32/19: 2 + 32/19 = 72/19. Finally, we add 72/19, 1/9, 3, and 3/8 to get the final result: 72/19 + 1/9 + 3 + 3/8 = 16.394736842105264.

Please note that the above calculations are based on the given expressions and the order of operations.