а) 1100 : 11 *100=100000;
б) 1100 : 10 - 10=100;
в) 1100 * 10 * 10=110000;
д) 1100 : 11 - 100=0.
мне кажется,что в "г" ты неправильно записала
1100+10:10=1101(может быть должно быть так?)
1) х²+ xy - y<span>²
при х=0,у=-1; </span><span>х²+ xy - y<span>² = </span></span><span>0² + 0*(-1) - </span>(-1)<span>² = 0 + 0 - 1 = </span><span> - 1
</span>при х=-1,у=0; <span>х²+ xy - y² = </span><span><span>(-1)²</span> + </span><span><span>(-1)*</span>0 -0² = 1 + 0 - 0 = 1
</span><span>при х=2,у=3. </span><span>х²+ xy - y² = <span>2² + 2</span><span>*3 - 3² = 4 + 6 - 9 = 1</span>
2) 3х</span><span>²-y
при х=0,у=-1; </span>3х<span>² - y = </span><span> 3*0<span>² - (-1) = 0 + 1 = 1</span>
</span>при х=-1,у=0; <span>3х² - y = 3*</span><span><span>(-1)² - 0 = 3 - 0 = 3 </span>
</span><span>при х=2, у=3. </span><span><span>3х² - y = 3*2² - 3 = 12 - 3 = 9
</span>3) 5х+у</span><span>²
при х=0,у=-1; </span><span>5х+у<span>² = </span></span>5<span><span>*0 </span>+ </span><span><span> (-1)² </span> = 0 + 1 = 1
</span>при х=-1,у=0; <span><span>5х+у² = </span>5*</span><span><span> (-1) + 0</span><span><span>² </span> = -5 + 0 = -5</span>
</span>при х=2,у=3. <span><span>5х+у² = </span>5<span>*2 + </span><span>3² = 10 + 9 = 1</span>9
4) х</span><span>²y - y</span><span>²x
при х=0,у=-1; </span><span>х²y - y<span>²x = 0</span></span><span>²</span><span>*(-1) - </span>(-1)<span><span><span>²*0 = 0</span></span>
</span>при х=-1,у=0; <span>х²y - y²x = </span>(-1)²*0 - 0²*<span>(-1) = 0 </span><span><span>
при </span>х=2,у=3</span> <span>х²y - y²x = 2</span>²*3 - 3<span>²*2 = 12 - 18 = - 6
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