5*(23-27:3)+600:10:5-64:(15-7) =74
<span><span>1)<span>
</span></span></span>27:3=9
<span><span>2)<span>
</span></span></span>23-9=14
<span><span>3)<span>
</span></span></span>15-7=8
<span><span>4)<span>
</span></span></span>5*14=70
<span><span>5)<span>
</span></span></span>600:10:5=12
<span><span>6)<span>
</span></span></span>64:8=8
<span><span>7)<span>
</span></span></span>70+12-8=74
<span />