=8 0005090%+5 0004085%+2 0003080%=578 000 ϳ̨=306-1227.5=4410̨ʱ ϳҪ=578 000/4 410=131.1̨ ϳȱ=131.1-100=31.1̨
11 ̳ɱù
1 ˼
2 ѡ
1A 2A 3D 4B 3ѡ
1ABC 2ABCD 3ABC 4AB 4
(1)300-3000.13=261
(2)λ䶯ɱb=23200-14200?0.75 a=14200-120000.75=5200 (Ԫ)
24000-12000Ŀɱ=5200+260000.75=24700 (Ԫ)
12
1 ˼
2ѡ
1D 2A 3A 4A 5C 6B 7B 8D 9D 10C 11C 12D 3ѡ
1BC 2ABCD 3ABC 4ABCD 5ACD 6ABCD 4ж
1 2 3 4 5 67 5
1120050%=600
600-250=350
ۣ500-350/500100%=30%
2ƱΪ10010%=10ɣӦδתʽΪ100
10=100ԪδΪ0
ڷŹƱÿмΪ10/1+10%=9.1Ԫ
ɼ۽ͷΪ9.1-10/10=-9%
10001+10%9.1=10 010Ԫ ͨɵĹɱṹᷢ仯
13 Ԥ
1˼
2ѡ
1A 2B 3A 4B5D 6B 7D 8B 9C 10D 11D12B13C14C 15D 3ѡ
1ABD 2ABC 3ACD 4AC 5BC 6BCD 7ABCD 8BCD 9ABCD 10ABC 11ABCD 12ABC 13ABC 14ABCD 15CD 16ACD 17AD 18ABCD 19BCD 4ж
1̣2 34 5 6 7 8̣9101112̣13̣14 15̣161718 1920 5
12450085%-1470085%-3000=5330(Ԫ) 2ٷֱ=110/100=110%
Ԥܶ=110-60110%-30=14(Ԫ)
3پӪֽ=3600010%+4100020%+4000070%=39800 (Ԫ)
ھӪֽ=800070%+5000+8400+8000-4000+1000+4000010%+1900=29900 (Ԫ)
ֽȱ=80+39800-29900-12000=-2020 (Ԫ) Ӧнͽ=2020+1400=2120(Ԫ)
4ĩӦ˿=4100010%+4000030%=16100(Ԫ)