六年级解方程和解比例(7页)Good is good, but better carries it.精益求精，善益求善。六年级解方程及解比例练习题（150 题）x:10=: 0.4:x=1.2:2 =:=:x 0.8:4=x:8 :x=3:121.25:0.25=x:1.6 = =x: =6: = 45:x=18:26 2.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.6x:24= : 8:x=::=x: 0．6∶4＝2.4∶x 6∶x＝∶ ＝∶＝x∶ ∶＝∶x x∶＝0.7∶10∶50＝x∶40 1.3∶x＝5.2∶20 x∶3.6＝6∶18 ∶＝∶ x ＝ ＝解方程X－ X= 2X + = 70%X + 20%X = 3.6X×=20× 25% + 10X = X - 15%X = 68X＋X＝121 5X－3×＝ X÷＝126X＋5 =13.4 3X=X÷= X＋X= 4X－6×=2 ÷X= X = X = × X÷ =× 4x－3 ×9 = 29 x + x = 4X－21×=4 6X＋5 =13.4 X-X= 4χ－6＝385X= X= X÷=X÷=12 X= X=×X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X×( + )= x－0.375x= x×+=4× X－X＝12 5 X－2.4×5＝80.36×5- x = (x- 4.5) = 7 x- 25%x = 10x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21 X＋25%X=90 X－X= X－ X= 2X + = 70%X + 20%X = 3.6 X×=20×25% + 10X = X - 15%X = 68 X＋X＝121 5X－3×＝ X÷＝12 6X＋5 =13.4 3X= X÷= X＋X= 4X－6×=2 ÷X= X = X = × X÷ =× 4x－3 ×9 = 29 x + x = 4 X－21×=4 6X＋5 =13.4 X-X= 4χ－6＝38 5X= X= X÷= X÷=12 X= X=× X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X×( + )= x－0.375x= x×+=4× X－X＝12 5 X－2.4×5＝8 0.36×5- x = (x- 4.5) = 7 x- 25%x = 10 X＋25%X=90 x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21 X－X= X－ X= 2X + = 70%X + 20%X = 3.6 X×=20× 25% + 10X = X - 15%X = 68 X＋X＝121 5X－3×＝ 3X=X÷= X＋X= 4X－6×=2 ÷X= X = X = × X÷ =× 4x－3 ×9 = 29 x + x = 4X－21×=4 6X＋5 =13.4 X-X= 4χ－6＝385X= X= X÷=X÷=12 X= X=×X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X×( + )= x－0.375x= x×+=4× X－X＝12 5 X－2.4×5＝80.36×5- x = (x- 4.5) = 7 x- 25%x = 10x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21 ,)}【)&《￥.!{|/}~）-…'*>，$|.*?`、，
