1/2+1/4=2/4+1/4=3/4
1/2+5/7=7/14+10/14=17/14=1 3/14
1/4+5/6=3/12+10/12=13/12=1 1/12
<span>1/2-1/8=4/8-1/8=3/8
1/2-1/3=3/6-2/6=1/6
5/6-3/8=40/48-12/48=28/48
</span>
190x200+(32148-16)=
38000+32132=
70132
1) 4,86:100=0.0486
2)3.6:0.0486=<span>74.074074074074%</span>
427 875 635 2569
249 498 356 384
106323 435750 226060 986496
A)21 б) 990 3 в) 99
__ =2 ___=____=0,75 ____
42 1320 4 1210