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一元一次方程计算训练(要求:认真、仔细、准确、灵活)
1 1
1、 2(x 1) 4 2、 (
3 3
(27)54-7Χ=5 (28)6Χ-10=8 (29)8- Χ= 2
8 4
2 9
(30)3-1 Χ= (31)2(Χ-1)=4 (32) 2(6Χ-2)=8
5 10
(33) 5-3Χ=8Χ+1 (34) 2(Χ-2)+2=Χ+1 (35) 3-Χ=2-5(Χ-1)
(36) 3Χ=5(32-Χ) (37) 7(4-X)=9(X-4) (38)128-5(2X+3)=73
(39) ++= (40) 4X÷=100 (41)3(X+1)÷(2X–4)= 6
(42)3X+ 7X +10 = 90 (43)3(X - 12)+ 23 = 35 (44)7X-8=2X+27
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(45)5X -18 = 3–2X (46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
(48)12X+8X-12=28 (49)3(2X-1)+10=37 (50)+-X-5=27
(51)2(3X-4)+(4-X)=4X (52)3(X+2)÷5=(X+2)
2 3
(53)(3X+5)÷2=(5X-9)÷3 (54)X- X=
7 4
2 3 3 1
(55)2X + = (56) 70%X + 20%X = (57) X× =20×
5 5 5 4
4 3
(58)25% + 10X = (59)X - 15%X =