Question

7
Вычисли по действиям.
(95 + 305) : 5
241 + 123 + 59 + 27
(330 + 30 + 90) :3
(123 +77) : 2
448 + 60 + 242
(12 + 18 + 20) - 6​

Answer 1

(95 + 305) : 5 = 80

(95 + 305) = 400

400 : 5 = 80

241 + 123 + 59 + 27 = 450

241 + 59 = 300

123 + 27 = 150

300 + 150 = 450

(330 + 30 + 90) : 3 = 150

330 + 30 + 90 = 450

450 : 3 = 150

(123 +77) : 2 = 100

123 + 77 = 200

200 : 2 = 100

448 + 60 + 242 = 740

448 + 242 = 680

680 + 60 = 740

(12 + 18 + 20) - 6 = 54

12 + 18 = 30

30 + 20 = 50

50 - 6 = 54