(1) (5) (3) (2) (4)
(47.008÷904)-46*(52.272-52.264):2=
1.)47008:904=52 2.)52272-52264=8 3.)52*8=416 4.)416:2=208 5.)208-52=156
1)4527:3=1509
2)1509*6=9054
3)9054+794=9848
4)9848-2576=7272
1) 4х²-4х+1-4(х²-4)=0
4х²-4х+1-4х²+16=0
-4х+17=0
4х=17
х=17/4=4 цел 1/4
2) 9х²+6х+1-9х²+9=0
6х=-10
х=-10/6=-5/3=-1цел 2/3