小学总复习解方程专项练习200题(有答案)-K.docx

(19 (19)卫：x=3 : 12 , (19 (19)卫：x=3 : 12 , 解方程专项练习200题（有答案） 解方程专项练习200题（有答案） (11) x - 25%x=24, (2) , 3 14 7 (13) 0.6x+90%x=78 , (14) 20%x- 2.4 X 3=0.8 , 8X 2.5 - 2x=13.6 0.78 : x=3 : 5, (16) 0.6x+3 X 2.5=67.5 , (17) H x - (17) H x - 0.45 )=斤， 1 十(x-g) =6, (18) x - 2.25=8.25 , 2x .2 , 9 X 3 - 1.7x=13.4 , -^x+0.8=5.6 , (30) 42 : 鼻x:5 5 5 7 1.4 : x=1 : 0.75 , x X( 2-￡) =24 , 12x+7 X 0.3=20.1 , x: 42寺 IQ, 宀0，+ 0.8 : ^^0.48 : x, 12 (31) 5x - 0.4=75% , (32) 6x - 0.9=4.5 , (33) 2 ( x- 3) =5.8 , (34) 1.6x=6.4 , (35) 4x - 3X 9=29 , (36) 16+8x=40 , (37) x- 1.1=3 , (38)三+2x~, (39) X 3 - 7x=1.04 , 100 (40)*x - 1 4x=2， (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) 5 5: 8=x: 32, (62) X-0.05=3.528 5 5: 8=x: 32, (62) X-0.05=3.528 —x=14 , 72 2. 4 1.2 : ::■， 0.8 , +1, 1 - 25%X+25%xj+25%x, 4 L込X 0. 25^ 6， (52) 2x+3 X 0.9=24.9 5.3x - 2.9x=_!, 5 卫 X( 7 - 2.8x ) 7 (55) x: 0.3=上:丄, 9 3 (56) 150%x+66=99 (57) x+6 - 0.8x=16 -X -醐：K二5 5 (59) 5 (60)』-(X-卫) 10 5 ⑹）（X5）:宁 =1.5 , =1.3 (X- 4):, (41) (42) (43) (44) (45) (46) (47) (48) (49) (50) (51) ， ， .4 L5亠旦 (83计 x X: ■:, ， ， .4 L5亠旦 (83计 x X: ■:, 2X— 4 X 6=80 , 4 X 4.5 - 3X=6.38 , 4X- 7.2=10 , 11.5X+X=20 , 3.8 X 12+15X=87.6 , 6X+5=17, 0.6 X( 2.5+X) =4.2 , :;?二X：； —:—=X: 4 3 15 丄一丄丄 I - ■ ■■， (74) (75) (77) 4 (—+x) 5 =：? 5 -X 0.25+_xd , 5 2 4 (76) 200: 6=x： (79) 8 (x - 2) =2 (x+7), （80）「：18%亠 (81) I-2x冷， 养x=46 , (82) 5 4 (63) (64) (65) (66) (67) (68) (69) (70) (71) (72) (73) (95) -X lx=l 5 15 (84) (85) (86) (87) (88) (89) (90) (91) (92) x (93) (94) (96 (96) x+50%x=6, 5 (3x - 4)- 2 (x- 1) =5 (2x - 1) 6x 6x -1=8| 8 3 (97)卫:x=0.3 : 12, 4 8 (2X- 7) =5 (X+13), (98) 4x+2 (8 - x) =26, 3 (x+4.5 ) =60, (99) 1.6x+2.4=7.52 , (100) 3 (x-0.8 ) =6.3 , (101) xx(2匕) 3 5 19 28.4 - 5x=5.8 , 1 3 6 25 (104) 7x 7x - 3=8.19 , 7x 7x - 3=8.19 , (106) (107) (108) (109) (110) (111) (112) (113) (114) (115) (116) 12: 0.6=x :一， 2 5x+35=650 , (117) 3 (x+2 ) =4 (x+1), 720 - 3x=80, (118)3x - 70%x=9.2 , 3.6x - 0.9x=8.1 , (119) 6+丄 x=240. 4X 4.5 — 3x=6 , (120) 22.5 —