<span>а) 36 * (-45) 36*(-1)</span>
------------ = ----------= 18
<span> -90 -2</span>
<span>б)<span> ( - 81 - 23 ) -104</span></span>
<span><span> ---------------= ------- =2</span></span>
<span><span> ( 8 - 60) -52</span></span>
<span><span><span> в) - 105 * ( - 16) -105*(-2) -15*(-2)</span></span></span>
<span><span><span> ----------------=------------------=-------------= 30</span></span></span>
<span><span> 56 7 1</span></span>
<span><span><span> г) 72 * ( - 16) -16</span></span></span>
<span><span><span> ---------------=--------=-8</span></span></span>
<span><span><span> 144 2</span></span></span>
<span><span><span><span>д) 34 * ( - 72) 34*(-8) 2*(-8)</span></span></span></span>
<span><span><span><span> --------------=-----------=-------------=-16</span></span></span></span>
<span><span><span><span> 153 17 1</span></span></span></span>
<span><span><span><span><span>е) 56 * ( - 28) 56*(-4) 8*(-4)</span></span></span></span></span>
----------------=-----------=--------------=-32
49 7 1