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五年级解方程练习题50题及答案ok
五年级解方程练习题50题及答案ok
(2)2(X+X+0.5=9.8 (3)25000+x=6x (4)3200=440+5X+X (5)X-0.8X=6 (612x-8x=4.8 (7 7.5+2X=15 (81.2x=81.6
(7)x+5.6=9.4
(10x-0.7x=3.6
(1191÷x=1.3
(12) X+8.3=10.7
(13 15x=3
1 / 7
(14 3x-8=16
(27
7(6.5+x=87.5 (15 3x+9=27 (28) 0.273÷x=0.35 (16 18(x-2=270 (17 12x=300-4x (18 7x+5.3=7.4 (19 3x÷5=4.8 (25 0.5x+8=43 (26 6x-3x=18 (29 1.8x=0.972 (30 x
(31 0.1(x+6=3.3 (32 (27.5-3.5 (33 9x-40=5 (34 x 2 / 7
÷0.756=90 ×0.4 ÷x=4
÷5+9=21
(35 48-27+5x=31 (43) 9.8-x=3.8 (36 10.5+x+21=56 (44) 75.6÷x=12.6
(37) x+2x+18=78 (38 (200-x÷5=30 (39 (x-140÷70=4 (40) 20-9x=2 (41 x+19.8=25.8 (42) 5.6x=33.6 (45) (46)
(47) (48) (49) (50) 3 / 7
5x+12.5=32.3 5(x+8=102 x+3x+10=70 3(x+3=50-x+3 5x+15=60 3.5-5x=2
五年级解方程50题答案
X=3.75 (8 1.2x=81.6 五年级解方程练习题50题及答案ok
0.5+2x=4.9 0.5+2x-0.5=4.9-0.5 2x=4.4 2x÷2=4.4÷2 X=2.2 (2)2(X+X+0.5=9.8
2x+2x+1=9.8 4x+1-1=9.8-1 4x=8.8 4x÷4=8.8÷4
X=2.2 (3)25000+x=6x 25000+x-x=6x-x
5x=25000 5x÷5=25000÷5 X=5000 (4)3200=440+5X+X 6x+440=3200 6x+450-450=3200-440 6x=2760 6x÷6=2760÷6
X=460 (5)X-0.8X=6 0.2x=6 0.2x÷0.2=6÷0.2
X=30 (612x-8x=4.8 4x=4.8 4x÷4=4.8÷4 X=1.2 (7 7.5+2X=15 2x+7.5-7.5=15-7.5 2x=7.5 2x÷2=7.5÷2 1.2x÷1.2=81.6÷1.2
X=68 (9 x+5.6=9.4 X+5.6-5.6=9.4-5.6
X=3.8 (10x-0.7x=3.6 0.3x=3.6 0.3x÷0.3=3.6÷0.3
X=12 (1191÷x=1.3 91÷x×x=1.3×x 1.3x=91 1.3x÷1.3=91÷1.3
X=70 (12 X+8.3=10.7 X+8.3-8.3=10.7-8.3
X=2.4 (13 15x=3 15x÷15=3÷15
X=0.2
(14 3x-8=16 3x-8+8=16+8 3x=24 3x÷3=24÷3 X=8 (15 3x+9=27 3x+9-9=27-9 3x=18 3x÷3=18÷3 3x=6 (16 18(x-2=270 18x-36=270 18x-36+36=270+36