1、.(1)3/749/9-4/3(2)8/915/36+1/27(3)125/62/93(4)85/4+1/4(5)63/83/86(6)4/75/9+3/75/9(7)5/2-(3/2+4/5)(8)7/8+(1/8+1/9)(9)95/6+5/6(10)3/48/9-1/3(1)75/49+3/14(2)6(1/2+2/3)(3)84/5+811/5(4)315/65/6(5)9/7-(2/710/21)(6)5/918142/7(7)4/525/16+2/33/4(8)148/75/612/15(9)17/323/49/24(10)32/9+1/3(1)5/73/25+3/7(2)3/14
2、2/3+1/6(3)1/52/3+5/6(4)9/22+1/111/2(5)5/311/5+4/3(6)452/3+1/315(7)7/19+12/195/6(8)1/4+3/42/3(9)8/721/16+1/2(10)1011/51/521(1)(6.8-6.80.55)8.5(2)0.124.80.124.8(3)(3.21.5+2.5)1.6(4)6-1.64(5)38+7.85-5.37=(6)7.20.8-1.25(7)6-1.193-0.43=(8)6.5(4.8-1.24)(9)0.681.9+0.321.9(10)10.15-10.750.4-5.7(1)5.8(3.87-0
3、.13)+4.23.74(2)32.52-(6+9.7283.2)2.5(3)(7.1-5.6)0.9-1.152.5(4)5.42.6(3.7-2.9)+0.62(5)126(12-7.2)-6(6)2/31/21/42/5(7)26/139/262/3(8)2/91/24/53/8(9)105/91/64(10)1/22/59/109/20(1)5/93/102/72/5(2)1/21/44/51/8(3)3/45/74/31/2(4)238/91/271/27(5)85/62/54(6)1/23/45/124/5(7)8/93/43/83/4(8)5/85/43/239/11(9)(6.
4、8-6.80.55)8.5(10)0.124.80.124.8(1)(3.21.5+2.5)1.6(2)6-1.64(3)7.20.8-1.25(4)6.5(4.8-1.24)(5)5.8(3.87-0.13)+4.23.74(6)32.52-(6+9.7283.2)2.5(7)(7.1-5.6)0.9-1.152.5(8)5.42.6(3.7-2.9)+0.62(9)126(12-7.2)-6(10)1267.2-6(1)0.681.9+0.321.9(2)(58+370)(64-45)(3)420+580-642128(4)(136+64)(65-34523)(5)48.10.15-10.
5、750.4-5.7(6)(23/4-3/4)*(3*6+2)(7)3/749/9-4/3(8)8/915/36+1/27(9)125/62/93(10)85/4+1/4(1)63/83/86(2)4/75/9+3/75/9(3)5/2-(3/2+4/5)(4)7/8+(1/8+1/9)(5)95/6+5/6(6)3/48/9-1/3(7)75/49+3/14(8)6(1/2+2/3)(9)84/5+811/5(10)315/65/6(1)9/7-(2/710/21)(2)5/918142/7(3)4/525/16+2/33/4(4)148/75/612/15(5)17/323/49/24(6)
6、32/9+1/3(7)5/73/25+3/7(8)3/142/3+1/6(9)1/52/3+5/6(10)9/22+1/111/2(1)5/311/5+4/3(2)452/3+1/315(3)7/19+12/195/6(4)1/4+3/42/3(5)8/721/16+1/2(6)1011/51/521(7)(6.8-6.80.55)8.5(8)0.124.80.124.8(9)(3.21.5+2.5)1.6(10)6-1.64(1)38+7.85-5.37(2)7.20.8-1.25(3)6-1.193-0.43(4)6.5(4.8-1.24)(5)5.8(3.87-0.13)+4.23.74
7、(6)32.52-(6+9.7283.2)2.5(7)(7.1-5.6)0.9-1.152.5(8)5.42.6(3.7-2.9)+0.62(9)126(12-7.2)-6(10)1267.2-6(1)0.681.9+0.321.9(2)58+370)(64-45)(3)420+580-642128(4)136+6(65-34523)(5)10.750.4-5.7(6)18.1(30.2990.23)1(7)(6.8-6.80.55)8.5(8)0.124.80.124.8(9)(3.21.5+2.5)1.6(10)3.26+(1.5+2.5)1.6(1)0.681.9+0.321.9(2)1
8、0.15-10.750.4-5.7(3)5.8(3.87-0.13)+4.23.74(4)32.52-(6+9.7283.2)2.5(5)(7.1-5.6)0.9-1.152.5(6)5.42.6(3.7-2.9)+0.62(7)126(12-7.2)-6(8)1267.2-6(9)33.02(148.490.85)2.5(10)(25%-695%-12%)*36(1)4*3/5+3/4*2/5(2)1-1/4+8/9/7/9(3)1/63/24+2/21(4)15*3/5(5)3/49/10-1/6(6)1/3+1/2)5/6-1/31/7(7)5%+.3/749/9-4/3(8)915/3
9、6+1/27(9)25/62/93(10)35/4+1/4(1)943/83/86(2)95/75/9+3/75/9(3)6/2-(3/2+4/5)(4)8+(1/8+1/9)(5)85/6+5/6(6)1/48/9-1/3(7)105/49+3/14(8)1.5(1/2+2/3)(9)294/5+811/5(10)3.15/65/6(1)4/7-(2/710/21)(2)1918142/7(3)525/16+2/33/4(4)48/75/612/15(5)7/323/49/24(6)2/31/21/42/5(7)26/139/262/3(8)2/91/24/53/8(9)105/91/64(
10、10)1/22/59/109/20(1)5/93/102/72/5(2)1/21/44/51/8(3)3/45/74/31/2(4)238/91/271/27(5)85/62/54(6)1/23/45/124/5(7)8/93/43/83/4(8)5/85/43/239/11(9)1.22.5+0.82.5(10)8.91.25-0.91.25(1)12.57.40.8(2)9.96.4-(2.5+0.24)(3)6.59.5+6.50.5(4)0.351.6+0.353.4(5)0.258.64(6)6.72-3.28-1.72(7)0.45+6.37+4.55(8)5.4+6.93-(25
11、-2.5)(9)241846-620-380(10)4.846+4.854(1)0.8+0.82.5(2)1.253.682.5-12.52.4(3)2812.5-12.520(4)23.65-(3.07+3.65)(5)(4+0.40.25)871.25(6)1.6599+1.65(7)27.85-(7.85+3.4)(8)481.25+501.250.28(9)7.89.9+0.78(10)5.157/8+6.1-0.60625(1)3/749/9-4/3(2)8/915/36+1/27(3)125/62/93(4)85/4+1/4(5)63/83/86(6)4/75/9+3/75/9(7
12、)5/2-(3/2+4/5)(8)7/8+(1/8+1/9)(9)95/6+5/6(10)3/48/9-1/3(1)75/49+3/14(2)6(1/2+2/3)(3)84/5+811/5(4)315/65/6(5)9/7-(2/710/21)(6)5/918142/7(7)4/525/16+2/33/4(8)148/75/612/15(9)17/323/49/24(10)32/9+1/3(1)5/73/25+3/7(2)3/142/3+1/6(3)1/52/3+5/6(4)9/22+1/111/2(5)5/311/5+4/3(6)452/3+1/315(7)7/19+12/195/6(8)1
13、/4+3/42/3(9)8/721/16+1/2(10)1011/51/521(1)(6.8-6.80.55)8.5(2)0.124.80.124.8(3)(3.21.5+2.5)1.6(2)(4)6-1.64(5)7.20.8-1.25(6)6.5(4.8-1.24)(7)10.15-10.750.4-5.7(8)5.8(3.87-0.13)+4.23.74(9)32.52-(6+9.7283.2)2.5(10)(7.1-5.6)0.9-1.152.5(1)5.42.6(3.7-2.9)+0.62(2)126(12-7.2)-6(3)1267.2-6(4)1024.5(5)7.86.92.2
14、6.9(6)5.60.25(7)8(201.25)(8)1+5/6-19/12(9)1.18.1(30.2990.23)1(10)(6.8-6.80.55)8.5(1)0.124.80.124.8(2)(3.21.5+2.5)1.6(3)3.2(1.5+2.5)1.6(4)6-1.64(5)5.38+7.85-5.37(6)7.20.8-1.25(7)6-1.193-0.43(8)6.5(4.8-1.24)(9)0.681.9+0.321.9(10)10.15-10.750.4-5.7(1)2/35/7(2)1/31/2(3)3/42(4)25/6(5)1/41/5(6)25/6(7)3/41
15、/3(8)1/2+1/4(9)45 2/3 + 1/3 15(10)7/19 + 12/19 5/6(1)1/4 + 3/4 2/3(2)8/7 21/16 + 1/2(3)101 1/5 1/5 21(4)3/7 49/9 - 4/3(5)8/9 15/36 + 1/27(6)12 5/6 2/9 3(7)6 3/8 3/8 6(8)4/7 5/9 + 3/7 5/9(9)5/2 -( 3/2 + 4/5 )(10)8 5/4 + 1/4(1)7/8 + ( 1/8 + 1/9 )(2)9 5/6 + 5/6(3)3/4 8/9 - 1/3(4)7 5/49 + 3/14(5)6 ( 1/2
16、 + 2/3 )(6)8 4/5 + 8 11/5(7)31 5/6 5/6(8)9/7 - ( 2/7 10/21 )(9)5/9 18 14 2/7(10)4/5 25/16 + 2/3 3/4(1)14 8/7 5/6 12/15(2)17/32 3/4 9/24(3)3 2/9 + 1/3(4)5/7 3/25 + 3/7(5)3/14 2/3 + 1/6(6)1/5 2/3 + 5/6(7)9/22 + 1/11 1/2(8)5/3 11/5 + 4/3(9)45 2/3 + 1/3 15(10)7/19 + 12/19 5/6(1)1/4 + 3/4 2/3(2)8/7 21/16
17、 + 1/2(3)101 1/5 1/5 21(4)38.95(64-45)(5)(6.8-6.80.55)8.5(6)0.12 4.80.124.8(7)(3.21.5+2.5)1.6(8)6-1.64(9)5.38+7.85-5.37(10)7.20.8-1.25(1)5.8(3.87-0.13)+4.23.74(2)32.52-(6+9.7283.2)2.5(3)(7.1-5.6)0.9-1.152.5(4)5.42.6(3.7-2.9)+0.62(5)126(12-7.2)-6(6)1267.2-6(7)33.02(148.490.85)2.5(8)3/7 49/9 - 4/3(9)8/9 15/36 + 1/27(10)12 5/6 2/9 3.