Davriy kasrlar

Darsxona topshirig`i: (98-12-6) m=0,22(23); n=0,2(223); l=0,222(3) sonlarni o`sish tartibida yozing. A) nJavob: n

2-test. (98-7-6) Davri 0 yoki 9 dan farqli bo`lgan cheksiz davriy o`nli kasrlarni ko`rsating:

m= n=247,123123123…; p=0,63(8); q= ; l= . . A) n, p B) m, p, l C) m, n, p, q D) m, q E) hammasi

Yechish: m= – buni olamiz, chunki davri (03);

n=247,123123123…=247,(123) – buni olamiz, chunki davri (123);

p=0,63(8) – buni olamiz, chunki davri (8);

q= – buni olamiz, chunki davri (73);

l= =0,85=0,85(0)=0,84(9) – buni olmaymiz, chunki davri 0 yoki 9 dan farqli . emas. Javob: m, n, p, q . (C)