1)216*305-42993=65880-42993=22 887
2)809+11711=12 520
3)345- ( не видно полностью на какое число делить)
4)7410+51642:906=7410+57=7 467
5)81*544:36=44064:36=1 224
6)(10034-834)*25=9200*25=230 000
33,5 - 3,5 = 30
30 ÷ 2 = 15 первое число
15 + 3,5 = 18,5 второе число
А)12; б)9; в)5 13/25
2 не успеваю, пробник через 10 минут
55.
Fucid75ryutsutcjgcfihfhfihfihfiydihfig and that I know the details in English speaking about this weekend or not sure I don't like that but we should go see her at least I am so excited about that too but we need anything about me when ur day at home from my parents were a good thing to keep
Х ширина
х+4см длина
76=2(х+х+4)
38=2х+4
2х=34
х=17см
17+4=21см
Площ 17*21=357см²