Answer.
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In,on,on,by,in
все по порядку идёт ))
перевод нужен?))
1.I can speak English. 2.My father can't speak German. 3.Can you speak French? 4.My sister can't skate. 5.Can you swim across this river? 6. I can't drink this milk. 7.She can't understand you . 8.Could you swim last year? 9.Last year I couldn't ski but now I can . 10.Can you tell me how to get to the station? 11.Can you help me ? 12.I can't translate this sentence. 13.Nobody could help me . 14.Where can I buy some bread? 15.Could your grandma dance when she was young? - Yes , she could. She can dance now too .
1.weren't
2.was
3.Were
4.were
5.doing
<span><span>1) х(х+5)=104
х^2+х*5=104
х^2+5х-104=0
х-8=0 или х+13=0
х=8 или х=-13
2)2 строчка
х^2-5/х=х-1+4/х
х^2=x^2-x+4
x^2=x^2-x+9
0=-x+9
-x+9=0
-x=-9
x=9</span><span>
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