y=mx2−m+2m−4x+1m 10sin161.7900431−x=12sinx −a3−2a2+4a−16=0
0.5∗0.54+0.5∗0.42∗0.62=12012000
P=(32)∗8122∗(1−812)1=49
3x−y=1 (m2+2)x−my=−1
1<m<2 m<1 m>10
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