Page 84 - 5.3.1

special-edu.kz.

Ïðèìåðû 3. special-edu.kz. special-edu.kz.

1) 37•15 + 63•15 = (37 + 63)•15 =

= 100•15 = 1500;
special-edu.kz. special-edu.kz. special-edu.kz.
2) 56•25 – 16•25 = (56 – 16)•25 =

= 40•25 = 1000.

 67. 108 êì.

69. (6, 21, 9)  (6, 12, 18)  (12, 12, 12).

71. Êàæäîìó ìàëü÷èêó äîñòàëîñü ïî
4 êã 500 ã ðûáû.

special-edu.kz. Ñïîñîá ñëîæåíèÿ Ãàóññà special-edu.kz.
special-edu.kz.
Íàó÷èòåñü èñïîëüçîâàòü!

(Äëÿ äîïîëíèòåëüíîãî ÷òåíèÿ)

 êîíöå XVIII âåêà

â îäíîé èç øêîë Ãåð-
ìàíèè âî âðåìÿ óðîêà

ó÷èòåëü äàë çàäàíèå
special-edu.kz. special-edu.kz. special-edu.kz.
ó÷åíèêàì íàéòè ñóììó

âñåõ íàòóðàëüíûõ ÷è-

ñåë îò 1 äî 100.

×åðåç íåñêîëüêî ìè-

Êàðë Ãàóññ íóò îäèí èç ó÷åíèêîâ

(1777–1855 ãã.) ñêàçàë îòâåò: «Èñêî-

82
special-edu.kz. special-edu.kz. special-edu.kz.