1) 10000-(10+910*85:65) = 10000-((130+15470):13) = 10000 - 15600:13 = 10000-1200 = 8800.
2) 1<span>2000:(840-280*96:42) = 12000:(840-640) = 12000:200 = 60.</span>
3,12/0,6=5,25
24/0,75=32
3/25=0,12
28/0,35=80
5,25+32+0,12+80=117,37
Ответ:117,37
28м30см-12м16м 30см
8км 015м+32км=40км и 15 м
2/3*7/5=2*7 14
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3*5. 15