г) (23+х)+39 при х=11 д) 8у*25 при у =3 е) 20n*5 при n=9. Created by nuritdinovshuh. matematika-ru

г) (23+х)+39 при х=11 д) 8у*25 при у =3 е) 20n*5 при n=9...

Savagee 1.(23+x)+39=23+11+39=63
2.8y*25=24*25=600
3.20n*5=180*5=900

5 votes Thanks 15

Шипперочек (23+х)+39 при х=11
23 + 39 + х = 62 + х = 62 + 11 = 73

8у*25 при у =3
8у°25 = 200у = 200 ° 3 = 600

20n*5 при n=9
20н°5 = 100н = 100 ° 9 = 900

8 votes Thanks 18

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