Х=503*27
Х= 13581
13581:27=503
Х=604*26
Х= 15704
15704:26=604
Х=507*28
Х= 14196
14196:28=507
№ 468
а) 1 4/11 - 1 = 4/11
г) 1 4/11 - 7/11 = 15/11-7/11 =8/11
№ 469
б) 2 5/9 - 1 2/9 = 1 3/9 = 1 1/3 (если сократить)
в) 2 5/9 - 1 5/9 = 1
№ 470
а) 2 4/11 -1 = 1 4/11
г) 2 4/11 - 1 7/11 = 1 15/11 -1 7/11 = 4/11
<span>7067*8=28268*2=14134*4=56536*1</span>
<span><span>4109*7=28763*1=587*49=не знаю</span></span>
<span><span><span>5804*4=11608*2=2902*8=1451*16</span></span></span>