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人教版小学六年级数学《解方程》练习题
(1)χ+2.4χ=6 (2)3.5: χ=5:4.2 (3)1.8χ-χ=2.4 (4)=
(5)6×3-1.8χ=7.2 (6)17-5χ=2.4+3 (7)= (8) χ-χ=
(9)12.6×-2χ=8 (10)= (11)×-χ= (12) χ+50%=42
(13)4χ-13=31 (14)4.5+8χ=27 (15)2χ+4.3×3=14 (16) χ×(1-)=1
(17)χ-χ= (18)3÷4χ=2.5 (19)= (20)1.6:χ=:
(21)3χ-16×3=102 (22)x:1=: (23)4χ+7.1=12.5 (24)χ:0.6=:4
(25):=:χ (26) 0.3χ-2=9.1 (27)= (28)x-=
(29) χ: =: (30): χ=: (31)3χ+χ=2 (32):=0.3: χ
(33)131-χ=89.2 (34):0.25=80%: χ (35)4χ+7.1=12.5 (36)-χ=
(37)χ-χ+= (38):=χ:12 (39) χ-χ= (40) χ:=12:3
(41)2.4χ-0.45×2=0.3 (42):=χ:0.1 (43)6.3-5χ=4.1 (44)1.25:5=0.75:χ
(45):χ=:6 (46)×2.5-χ=0.6 (47)χ-χ= (48): χ=:
(49)= (50)χ-χ+1.2=3.4 (51)4:6=15:χ (52):=χ:
2
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