1、1 a b 2 a 12b1218c 1925d2530e303 a 20 b2050 c50100 d100200e2004 a1 b23c1 d235 a b cdefg6 ab cd efg h7. ?abc8a. b.c. d.e9.a. b.c.d.10a. b. c.,d. 11 ab cd e f 125 6 8 ! () !1. ?()(2)1231. 141. 2561. 3(2)71. 4?(1.7)81. 5910(111617)111.6?121. 7-?131. 8-?141. 9?151617181920212. ?1a b2a18 b1824 c2530d3140
2、e41 50 f503a b c4a- b25 c610 d105a b6a bc d7a( 700ml) b(350ml)c- d8a. 1000 b1000 3000c30005000 d500010000e.100009a50 b50100c100300 d300 500e50010.-a b c d e f g11.a bc- d e fg-12a bc de f-g h-13.-a b c d e f g h14.a b c de15.a b c de fDD 31-2-31998320022003630 295781374.891346.51,54817790.81;24557.8
3、9,555.7-13045,40,-.1008787%2003108DDDD20031110-146034%,10%,-, .-, 2003, ,-,15,60%1,()21!.: 20031211251a. 1825 b.2530 c.3040 d.4050 e.5060 f.6021. b.31. b.12 c.23 d.441. b.51. b. c.61. b. c.71. b.8-1. b. c. d. e.9-1. b. c.- d.101. b. c. d. e. f. g.111. b. c. d.121. b.1-3 c.3-5 d.6-10 e.10131. 5% b.10% c.15% d.20%14,a. 5% b.10% c.20% d.30% e.50% f.131,-2-(,)xxxxxxxxxxx103:,.,. ,.456()78a-b()cd-1. a. b.2.a. b.3.4.5.6.7.8.9. 10.11.12.?-