вроде бы так, но чесно я не уверена ........
47592+39908=87500
87500:100=875
875:5=175
4 сотни = 400
12 058 + 400 = 14 458
1 000 000 + 400 = 1 000 400
9 030 + 400 = 9 430
(x+90)-(70*10); x=700 (700+90)-700=90
1) <span>14/15 + 4 7/15 =5 6/15=5 2/5</span>
<span>2) <span>3 3/12 + 11/12 =4 2/12= 4 1/6</span></span>
<span><span>3) <span>3 3/12 + 1 11/12= 5 2/12=5 1/6</span></span></span>
<span><span><span>4)<span>1 2/15 + 4 7/15 = 5 9/15= 5 3/5</span></span></span></span>
<span><span><span><span>5)<span>1 14/15 + 4 7/15= 6 6/15= 6 2/5</span></span></span></span></span>