<span>568 + 80*(205*906 - 124 885 ) : 400=<span>12 737</span>
1)</span><span>205*906=185 730
2)</span>185 730 <span>- 124 885=60 845
3)</span>80*60 845= 4 867 600
4)4 867 600 <span>: 400=12 169
5)</span>568 + 12 169=12 737
Какое, собственно, задание?
<h3>(6 1/4 - 4 1/8) · 4 + 3 1/3 : 2 1/2 = 9 5/6</h3>
1) 6 1/4 - 4 1/8 = 6 2/8 - 4 1/8 = 2 1/8 = 17/8
2) 17/8 · 4 = 17/2 = 8 1/2
3) 3 1/3 : 2 1/2 = 10/3 : 5/2 = 10/3 · 2/5 = (2·2)/(3·1) = 4/3 = 1 1/3
4) 8 1/2 + 1 1/3 = 8 3/6 + 1 2/6 = 9 5/6