小数分数四则混合运算题

1、(1) 3/7 X49/9-4/3 5/7 X3/25+3/7(2) 8/9X15/36+1/27(3) 12X5/6W/9X3(4) 8X5/4+1/4(5) 6+3/8W/8田(6) 4/7X5/9+3/7X5/9(7) 5/2-(3/2+4/5)(8) 7/8+(1/8+1/9)(9) 9X5/6+5/6(10) 3/4X8/9-1/3(1) 7X5/49+3/14(2) 6X(1/2+2/3)(3) 8X4/5+8X11/5(4) 31X5/6-5/6(5) 9/7-(2/7T0/21)(6) 5/9X18T4X2/7(7) 4/5X25/16+2/3X3/4(8) 14X8/7-5/

2、6X12/15(9) 17/32T/4X9/24(2) 3/14XX2/3+1/6(3) 1/5X2/3+5/6(4) 9/22+1/11+1/2(5) 5/3X11/5+4/3(6) 45X2/3+1/3X15(7) 7/19+12/19X5/6(8) 1/4+3/4+2/3(9) 8/7X21/16+1/2(10) 101X1/5-1/5X21(1) (6.8-6.8X0,55)+8.5(2) 0.12X4.80.12X4.8(3) (3.2X1.5+2.5)+1.6(4) 6-1.6+4(5) 38+7.85-5.37=(6) 7.2+0.8-1.2X5(7) 6-1.19X3-0.43

3、=(8) 6.5X(4.8-1.2X4)(9) 0.68X1.9+0.32X1.9(10) 3X2/9+1/3(10) 10.15-10.75 X0.4-5.7(1) 6+3/8 W/8 田(1) 5/3 X11/5+4/3(2) 32.52-(6+9.728+3.2)X2.5(3) (7.1-5.6)X0.9-1.15隹5(4) 5.4Y2.6X(3.7-2.9)+0.62(5) 12X6+(12-7.2)-6(6) 2/3+1/2-1/4X2/5(7) 2-6/13+9/26-2/3(8) 2/9+1/2+4/5+3/8(9) 10+5/9+1/6X4(10) 1/2X2/5+9/10-9

4、/20(1) 5/9X3/10+2/7+2/5(2) 1/2+1/4X4/51/8(3) 3/4X5/7X4/3-1/2(4) 23-8/9X1/27+1/27(5) 8X5/6+2/5+4(6) 1/2+3/4X5/12X4/5(7) 8/9X3/4-3/8+3/4(8) 5/8y/4+3/23凶/11(9) (6.8-6.8X0.55)+8.5(2) 6-1.6+4(3) 7.2+0.8-1.2X5(4) 6.5X(4.8-1.2X4)(5) 5.8X(3.87-0.13)+4.2X3.74(6) 32.52-(6+9.728+3.2)X2.5(7) (7.1-5.6)X0.9-1.15+

5、2.5(8) 5.4+2.6X(3.7-2.9)+0.62(9) 12X6+(12-7.2)-6(10) 12X6+7.2-60.68X1.9+0.32X1.9(11) (58+370)+(64-45)(12) 420+580-64X21-28(13) (136+64)X(65-345+23)(14) 48.10.15-10.75X0.4-5.7(15) (23/4-3/4)*(3*6+2)(16) 3/7X49/9-4/3(17) 8/9X15/36+1/27(18) 12X5/6-2/9X3(2) 4/7X5/9+3/7X5/9(3) 5/2-(3/2+4/5)(4) 7/8+(1/8+1

6、/9)(5) 9X5/6+5/6(6) 3/4X8/9-1/3(7) 7X5/49+3/14(8) 6X(1/2+2/3)(9) 8X4/5+8X11/5(10) 31X5/6a/6(1) 9/7-(2/7T0/21)(2) 5/9X18T4X2/7(3) 4/5X25/16+2/3X3/4(4) 14X8/7-5/6X12/15(5) 17/32T/4X9/24(6) 3X2/9+1/3(7) 5/7X3/25+3/7(8) 3/14x>2/3+1/6(9) 1/5X2/3+5/6(2) 45X2/3+1/3X15(3) 7/19+12/19X5/6(4) 1/4+3/4+2/3(5)

7、 8/7X21/16+1/2(6) 101X1/5-1/5X21(7) (6.8-6.8X0,55)+8.5(8) 0.12X4.80.12X4.8(9) (3.2X1.5+2.5)+1.6(10) 6-1.6+4(1)38+7.85-5.37(2) 7.2+0.8-1.2X5(3) 6-1.19X3-0.43(4) 6.5X(4.8-1.2X4)(5) 5.8X(3.87-0.13)+4.2X3.74(6) 32.52-(6+9.728+3.2)X2.5(7) (7.1-5.6)X0.9-1.15+2.5(8) 5.4+2.6X(3.7-2.9)+0.62(9) 12X6+(12-7.2)-

8、6(10) 9/22+1/11 +1/2(10) 12X6+7.2-6(1) 0.68 X1.9+0.32 X1.9(1) 4*3/5+3/4*2/5(2) 58+370)+(64-45)(3) 420+580-64X21-28(4) 136+6X(65-345+23)(5) 10.75X0.4-5.7(6) 18.1+(3-0.299+0.23)X1(7) (6.8-6.8X0.55)+8.5(8) 0.12X4.84.12X4.8(9) (3.2X1.5+2.5)+1.6(10) 3.2X6+(1.5+2.5)+1.6(1) 0.68X1.9+0.32X1.9(2) 10.15-10.75

9、X0.4-5.7(3) 5.8X(3.87-0.13)+4.2X3.74(4) 32.52-(6+9.728+3.2)X2.5(5) (7.1-5.6)X0.9-1.15隹5(6) 5.4Y2.6X(3.7-2.9)+0.62(7) 12X6+(12-7.2)-6(8) 12X6+7.2-6(9) 33.02-(148.490.85)+2.5(2) 1-1/4+8/9/7/9(3) 1/6+3/24+2/21(4) 15*3/5(5) 3/4M/10-1/6(6) 1/3+1/2)-/6-1/3+1/7(7) 5%+.3/7X49/9-4/3(8) 9X15/36+1/27(9) 2X5/62

10、19X3(10) 3X5/4+1/4(1) 94+3/8T/8田(2) 95/7X5/9+3/7X5/9(3) 6/2-(3/2+4/5)(4) 8+(1/8+1/9)(5) 8X5/6+5/6(6) 1/4X8/9-1/3(7) 10X5/49+3/14(8) 1.5X(1/2+2/3)(9) 2/9X4/5+8X11/5(10) (25%-695%-12%)*36(10) 3.1 X5/6 a/6(1) 4/7- (2/7 T0/21 ) 12.5X7.4X0.8(2) 19X18T4X2/7(3) 5X25/16+2/3义3/4(4) 4X8/7-5/6X12/15(5) 7/3234X

11、9/24(6) 2/3+1/2-1/4X2/5(7) 2-6/13+9/26-2/3(8) 2/9+1/2+4/5+3/8(9) 10+5/9+1/6X4(10) 1/2X2/5+9/10-9/20(1) 5/9X3/10+2/7+2/5(2) 1/2+1/4X4/51/8(3) 3/4X5/7X4/3-1/2(4) 23-8/9X1/27+1/27(5) 8X5/6+2/5+4(6) 1/2+3/4X5/12X4/5(7) 8/9X3/4-3/8+3/4(8) 5/8y/4+3/23凶/11(9) 1.2X2.5+0.8X2.5(2) 9.9X6.4-(2.5+0.24)(3) 6.5X9.

12、5+6.5X0.5(4) 0.35X1.6+0.35X3.4(5) 0.25X8.6X4(6) 6.72-3.28-1.72(7) 0.45+6.37+4.55(8) 5.4+6.9X3-(25-2.5)(9) 2X41846-620-380(10) 4.8X46+4.8X540.8+0.8X2.5(2) 1.25X3.6X8X2.5-12.5X2.4(3) 28X12.5-12.5X20(4) 23.65-(3.07+3.65)(5) (4+0.4X0.25)8X7X1.25(6) 1.65X99+1.65(7) 27.85-(7.85+3.4)(8) 48X1.25+50X1.25X0.2

13、X8(9) 7.8X9.9+0.78(10) 8.9X1.25-0.9 X1.25(10) 5.15 X7/8+6.1-0.60625(1) 5.4Y2.6X (3.7-2.9 ) +0.62 2/3 X5/7(2) 8/9X15/36+1/27(3) 12X5/6W/9X3(4) 8X5/4+1/4(5) 6+3/8W/8田(6) 4/7X5/9+3/7X5/9(7) 5/2-(3/2+4/5)(8) 7/8+(1/8+1/9)(9) 9X5/6+5/6(10) 3/4X8/9-1/3(1) 7X5/49+3/14(2) 6X(1/2+2/3)(3) 8X4/5+8X11/5(4) 31X5

14、/6-5/6(5) 9/7-(2/7T0/21)(6) 5/9X18T4X2/7(7) 4/5X25/16+2/3X3/4(8) 14X8/7-5/6X12/15(9) 17/32T/4X9/24(2) 3/14XX2/3+1/6(3) 1/5X2/3+5/6(4) 9/22+1/11+1/2(5) 5/3X11/5+4/3(6) 45X2/3+1/3X15(7) 7/19+12/19X5/6(8) 1/4+3/4+2/3(9) 8/7X21/16+1/2(10) 101X1/5-1/5X21(1) (6.8-6.8X0,55)+8.5(2) 0.12X4.80.12X4.8(3) (3.2X

15、1.5+2.5)+1.6(2)(4) 6-1.6+4(5) 7.2+0.8-1.2X5(6) 6.5X(4.8-1.2X4)(7) 10.15-10.75X0.4-5.7(8) 5.8X(3.87-0.13)+4.2X3.74(9) 32.52-(6+9.728+3.2)X2.5(2) 12X6+(12-7.2)-6(3) 12X6+7.2-6(4) 102X4.5(5) 7.8X6.9+2.2X6.9(6) 5.6X0.258X(201.25)(8) 1+5/6-19/12(9) 1.18.1+(30.299+0.23)X1(10) (6.8-6.8X0.55)-8.5(1) 0.12X4.

16、84.12X4.8(2) (3.2X1.5+2.5)+1.6(3) 3.2X(1.5+2.5)+1.6(4) 6-1.6+4(5) 5.38+7.85-5.37(6) 7.2S8-1.2X5(7) 6-1.19X3-0.43(8) 6.5X(4.8-1.2X4)(9) 0.68X1.9+0.32X1.9(2) 1/3+1/2(3) 3/4X2(4) 2+5/6(5) 1/4-1/5(6) 2-5/6(7) 3/4+1/3(8) 1/2+1/4(9) 45X2/3+1/3X15(10) 7/19+12/19X5/61/4+3/4+2/3(2) 8/7X21/16+1/2(3) 101X1/51/

17、5-X21(4) 3/7X49/94/3(5) 8/9X15/36+1/27(6) 12X5/62/9-X3(7) 6+3/83/8-6(8) 4/7义5/9+3/7义5/9(9) 5/2-(3/2+4/5)9X5/6+5/6(3) 3/4X8-91/3(4) 7X5/49+3/14(5) 6X(1/2+2/3)(6) 8X4/5+8X11/5(7) 31X5/65/6一(8) 9/7-(2/7-10/21)(9) 5/9X1814-X2/7(10) 4/5X25/16+2/3(1) 14X8/75/6-X12/15(2) 17/32-3/4X9/24(3) 3X2/9+1/3(4) 5/7义3/25+3/7(5) 3/14X2/3+1/6(6) 1/5X2/3+5/6(7) 9/22+1/11+1/2(8) 5/3X11/5+4/3(9) 45X2/3+1/3X15(10) 8/7X21/16+1/2(11) 101X1/51/5-X21(12) 38.95+64-45)(13) (6.8-6.8X0.55)+8.5(14) 0.12X4.8+0.12X4.8(15) (3.2X1.5+2.5)+1.6(16) 6-1.6+4(17