C.ɶֽ
D.ֱӼȨ
ȷ𰸡C
𰸽ʱĺ㡣ʱתʱʹʱ;ͶͶʽ䰴Լעʱеķݶ롰ʱʱ(ɱ)ۡĿ;ֱӼȨʹʱӡѡCɶֽδ٣Ӧӣ漰ʱ
3.ij˾ӯĿΪ2000ԪȡӯΪ1850ԪӯΪ900Ԫӯתʱ1000Ԫù˾ӯĿĩΪ(
)Ԫ A.3750 B.2850 C.1900
D.3850
ȷ𰸡A
𰸽ӯļ㡣ӯĿĩ=2000+1850+900-1000=3750(Ԫ)
4.ɷ˾ί֤ȯ˾йƱ1
000ɣÿֵ1Ԫÿɷм۸8Ԫ֤ȯ˾
֧Ӷ500Ԫù˾Ӧ롰ʱɱۡĿĽΪ(
)Ԫ A.6 450 B.6 500 C.6 550