Page 135 - 5.3.1

special-edu.kz.
special-edu.kz.

2) (õ•õ – 23)•9 = 117; special-edu.kz.

3) (õ•õ•õ + 38) : 13 = 5;

4) (149 – õ•õ•õ)•7 = 168.
special-edu.kz. special-edu.kz. special-edu.kz.

116. Íàéäèòå êîðåíü óðàâíåíèÿ:

1) (63 – 5õ) : à = 6 ïðè à = 3;

2) b : (38õ – 95) = 7 ïðè b = 133;

3) 15•(ñ – 8õ) = 75 ïðè ñ = 53;

4) (6õ – d)•8 = 104 ïðè d = 29.

special-edu.kz. special-edu.kz. special-edu.kz.
117*. Íàéäèòå õ â óðàâíåíèè:

1) (à + b)•õ = ñ, ãäå 13 + à = 30,

à – 9 = b è 1000 : b = ñ;

2) (m – n) : õ = k, ãäå 140 : n = 5,

40 – n = k è k + 88 = m.

118. Íà ïòè÷üåì ðûíêå íà 19 200 òã êó-
special-edu.kz. special-edu.kz. special-edu.kz.
ïèëè äâóõ ïîïóãàåâ, îäíîãî ùåíêà è

îäíîãî êîòåíêà. Ùåíîê â 3 ðàçà äîðî-

æå êîòåíêà, íî â 2 ðàçà äåøåâëå ïîïó-

ãàÿ. Ñêîëüêî ñòîèò êîòåíîê? Ñêîëüêî

ñòîèò ïîïóãàé?

133
special-edu.kz. special-edu.kz. special-edu.kz.