小學(xué)奧數(shù)頻道為大家整理的小學(xué)三年級奧數(shù)題:拆數(shù)補(bǔ)數(shù),供大家學(xué)習(xí)參考。
① 188+873 ②548+996 ③9898+203
解答:①式=(188+12)+(873-12)(熟練之后,此步可略)
=200+861=1061
②式=(548-4)+(996+4)
=544+1000=1544
③式=(9898+102)+(203-102)
=10000+101=10101
① 188+873 ②548+996 ③9898+203
解答:①式=(188+12)+(873-12)(熟練之后,此步可略)
=200+861=1061
②式=(548-4)+(996+4)
=544+1000=1544
③式=(9898+102)+(203-102)
=10000+101=10101