1) 60020-59775=245
2) 278×75=20850
3) 15000÷1000=15
4) 15×245=3675
5) 20850-3675=17175
6) 17175+125=17300
<span>S = 2(ab + bc + ac)
</span>S = 2(4*8 + 8*6 + 4*6) = 2(32+48+24) = 2* 104=208 см²
S=6*H²
S=6*5² = 6*25 = 150 см³
(620-420):4+250=300
620-420=200
200:4=50
250+50=300
ответ 300
216162
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