Page 91 - 5.3.1

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

2) âûðàæåíèå ñîäåðæèò äåéñòâèÿ special-edu.kz.

ïåðâîé è âòîðîé ñòóïåíåé, òî ñíà÷àëà

âûïîëíÿþò äåéñòâèÿ âòîðîé ñòóïåíè,
special-edu.kz. special-edu.kz. special-edu.kz.
ïîòîì – äåéñòâèÿ ïåðâîé ñòóïåíè.

Ïðèìåð 2. Íàéäåì çíà÷åíèå âûðà-

æåíèÿ:

1 3 2
1176 : 98 + 196•5 = 12 + 980 = 992.

special-edu.kz. special-edu.kz. special-edu.kz.
II. Åñëè â âûðàæåíèè åñòü ñêîáêè,

òî ñíà÷àëà âûïîëíÿþò äåéñòâèÿ â ñêîá-

êàõ, ïðè ýòîì ó÷èòûâàþò ñôîðìóëèðî-

âàííûå âûøå ïðàâèëà.

Ïðèìåð 3. Íàéäåì çíà÷åíèå âûðà-

æåíèÿ:

3 2 1 4 5 6
special-edu.kz. special-edu.kz. special-edu.kz.
(5074 : (95 – 18•2) + 104) : 38•25 = 125.

1) 18•2 = 36;
4) 86 + 104 = 190;
2) 95 – 36 = 59;
5) 190 : 38 =5;
3) 5074 : 59 = 86; 6) 5 • 25 = 125.

89
special-edu.kz. special-edu.kz. special-edu.kz.