5X-3X=68 X=34
4X+10=15 X=1.25
5.37+x=7.47 X=2.1
320=45+6X X≈45.83
X-0.6X=8 X=20
x+8.6=9.4 X=0.8
52-2x=15 X=18.5
15x =30 X=2
13÷x =1.3 X=10
3x+9=36 X=9
X+8.3=19.7 X=11.4
7(x-2)=7 X=3
3x+9=12 X=1
18(x-2)=27 X=3.5
12x=320+4x X=40
0.5x+9=40 X=62
6x+3x=36 X=4
1.5x+6=3x X=4
15÷3x=5 X=1
1.8+2x=6 X=2.1
3(x+5)=18 X=1
5×3-x=8 X=7
40-8x=5 X=4.375
以下是一些适合五年级上册解方程口算题的答案:
1. 2x + 3 = 9
-- 解: 2x = 9 - 3
2x = 6
x = 3
2. 3a + 2b = 11
-- 解: 3a + 2b = 11
3a = 11 - 2b
3a = 1 - 2b
a = -1/3
b = 2/3
3. 4x - 5 = 3
-- 解: 4x - 5 = 3
4x = 3 + 5
4x = 8
x = 2
4. 6y - 7 = 4
-- 解: 6y - 7 = 4
6y = 4 + 7
6y = 11
y = 1.5
5. 8x - 9 = 5
-- 解: 8x - 9 = 5
8x = 5 + 9
8x = 14
x = 2.5
这些解方程口算题的答案仅供参考,具体的题目需要根据教材和课程要求来制定。
