1) 36480000000
2)9600060000
Х+х+1=821
2х=820
х=820/2
х=410 одно
410+1=411 - второе
<span>288 953:7= 41279
7406 :7=1058
330*3-(690+125) =990-815=175
249:8+70*3-100=31,125+210-100=141,125</span>
896 L<u>8</u>
<u>-8_</u> 112
9
<u>-8_</u>
16
<u>-16</u>
0
<span>13.236-(5.05+0.5+(12-9.55))-0.836-0.6
1) </span>12-9.55=<span>2,45
2) </span>5.05+0.5+2.45=<span>8
3) </span>13.236-8 =<span>5,236
4) </span>5,236-0.836 = <span>4,4
5) </span>4,4-0,6= <span>3,8
Ответ </span><span>3,8</span>