а)3,46 = 3,5
-2,17= -2,2
0,052 = 0,1
<span>-1,65=-1,7</span>
<span>2,(3)=2,3</span>
<span><span>б)25,729=25,73</span></span>
<span><span>-31,047=-31,05</span></span>
<span><span>-0,171=-0,17</span></span>
<span><span>6,725=6,73</span></span>
<span><span>4,3(6)=4,37</span></span>
<span><span>4,(36)=4,36</span></span>