Page 93 - 5.3.4

special-edu.kz.

7,510 4,387

Ðåøåíèå. 7,51 4,387 special-edu.kz.  special-edu.kz.

7510  4387  3132  3,123.

special-edu.kz.
special-edu.kz. 1000 1000 special-edu.kz.
1000

Ñëåäîâàòåëüíî, ñëîæåíèå (âû÷èòà-

íèå) äåñÿòè÷íûõ äðîáåé ñâîäèòñÿ ê ñëî-

æåíèþ (âû÷èòàíèþ) íàòóðàëüíûõ ÷èñåë.

3,460 7,510
 
5,271 3,123
4,387
special-edu.kz. special-edu.kz. special-edu.kz.
8,731

Ïèøóò: 3,46 + 5,271 = 8,731;

Ïèøóò: 7,51 – 4,387 = 3,123

Ïðè ñëîæåíèè (âû÷èòàíèè) äåñÿòè÷-

íûõ äðîáåé ñíà÷àëà ó äðîáåé óðàâíè-

âàþò ÷èñëî öèôð ïîñëå çàïÿòîé. Çàòåì

èõ ñêëàäûâàþò (âû÷èòàþò) ñòîëáèêîì
special-edu.kz. special-edu.kz. special-edu.kz.
ïîðàçðÿäíî, êàê íàòóðàëüíûå ÷èñëà. Â

îòâåòå ñòàâÿò çàïÿòóþ ïîä çàïÿòîé.

Çàäàíèå 1. Çàïèøèòå ñëàãàåìîå

â ñòîëáèê è ñëîæèòå ïîðàçðÿäíî.

Íàéäèòå çíà÷åíèå ñóììû:

91
special-edu.kz. special-edu.kz. special-edu.kz.