а) 1) 2,08*4,05=8,424
2) 1,476+8.424=9,9
3)<span>49,938:24,36=2,05</span>
<span>4)2,05-0.25=1,8</span>
<span>5)9,9:1,8=5.5</span>
<span>б) 1) <span>6,275:1,25=5,02</span></span>
<span><span>2) 5,02+4,58=9.6</span></span>
<span><span>3)<span> 49,533:16,5=3,002</span></span></span>
<span><span><span>4)3,002-2,522=0,48</span></span></span>
<span><span><span>5)9,67:0,48=20</span></span></span>