найди значения выражений удобным способом.(115+85)*9 (500+45):5 (6...

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найди значения выражений удобным способом.
(115+85)*9 (500+45):5 (640+60)*7 (184+116):3 (670+30)*6 (720+80):8

Verified answer

(115+85) *9 = 200*9= 1800
(500+45) : 5 = 545:5 = 109
(640+60) *7 = 700*7=4900
(184+116) :3= 300:3 =100
(670+30) *6 =700*60=4200
(720+80) : 8= 800:8=100

bav2211

Verified answer

(115+85)*9 = 200 * 9 = 1800

(500+45):5 = 500 : 5 + 45 : 5 = 100 + 9 = 109

(640+60)*7 = 700 * 7 = 4900

(184+116):3 = 300 : 3 = 100

(670+30)*6 = 700 * 6 = 4200

(720+80):8 = 800 : 8 = 100

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