<span>а)84:0,35-4,64:5,8-60:48+2,9:0,58=242,95 </span>
1) 8400:<span>35 </span> 2)46,4 : <span>58 </span> 3)60 :<span>48</span> 4) 290 : <span>58 </span> 5) 240,0 5) 239,20
- <span>70</span> 240 <span>-0 </span> 0,8 <span>-48</span> 1,25 -<span> 290 </span> 5 <span>- 0,8</span> <span>- 1,25 </span>
<span> 140 464 120 0 239,2 237,95</span>
<span> <span>-140 </span> <span> -464</span> <span>- 96</span></span>
<span> 0 0 240 6) 237,95</span>
<span> <span>-240</span> <span>+ 5,00</span></span>
<span>б) 40-(2,0592<span>:0,072-19,63)= 31,03 0 242,95</span></span>
<span>1) 2059,2 :<span>72 </span> 2) 28,60 3) 40,00</span>
<span> <span>-144 </span> 28,6 <span>-19,63 </span> <span>- 8,97 </span></span>
<span> 619 8,97 31,03</span>
<span> <span>-576 </span></span>
<span> 432</span>
<span> <span> -432 </span></span>
<span> 0</span>
<span>
</span>
<span>в) <span>7,67:0,65-(0,394+0,7688):0,57= 9,76</span></span>
<span><span>1) 767 : <span>65 </span> 2) 0,3940 3) 116,28 :<span>57 </span> 4) 11,80</span></span>
<span><span> <span> -65 </span> 11,8 <span> + 0,7688</span> <span>-114</span> 2,04 <span>- 2,04</span></span></span>
<span><span> 117 1,1628 22 9,76</span></span>
<span><span> <span>- 65 </span> <span> - 0</span></span></span>
<span><span> 520 228</span></span>
<span><span> <span> -520</span> <span> -228</span></span></span>
<span><span> 0 0</span></span>