12 кв.м45кв.дм=1245кв.дм
3450 + 1245 = 4695кв.дм
Х+439<444 45-y>69 35*z<100
х<5 -y>24 z<100/35
y<24 z<20/7
1. 278 умножить 304=845 12,9078:34=267,31500-9408=22092 2.16*4(63+7):5=896.590-x=320 x=590-320 x=270 590-270=320 320=320.
Ответ будет - 9/11 видимо
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