(完整版)小升初解方程复习题.doc

(1)3χ+=651 3(8)χ- χ=4 8(2): χ=5:5(9) ×-2χ=86(3)-χχ=(10)=(4) =x3 1(11) ×5 21-χ=5(5)6×3-=2(12)3χ+50%=421(6)17-5χ=+35(13)4χ-13=31(7)x =4 51(14)+8χ=2721(15)2χ+×3=1427(22)x:1 =91 1:20 3(16)χ×(1-3 2)=18 3(23)4χ+= 3(17)χ- χ=4 81(24)χ:= :432 3 71(18)32÷4χ=(25) :3 7= :χ9(19)x=(26)-2=(20):χ=2 3:5 10x(27) =7(21)3χ-16×3=1021 1 1(28) x- =2 4 8(29)χ:1 1 1= :2 4 83 1 1(36) - χ=4 2 5(30)1 1 1:χ= :2 4 8(37)2 1 1 2χ- χ+ =3 2 5 31(31)3χ+42χ=213(38)3 3: =χ:124 55 5(32) :14 7=:χχ-1 7χ=2 10(33)131-χ=3χ:4=12:31(34)3:=80%: χ(41)-×2=(35)4+=(42)1 1: =χ: 8(43)-5χ=(50)2 1χ- χ+= 2(44):5=:χ (51)4:6=15:χ(45)1 3:χ= :62 41(52) :23 2=χ:4 3(46)3×-χ=(47)χ-1 5χ=6 121(48)31 6:χ= :5 7x(49) =10