小学毕业小升初计算题——解方程
绝世美人儿
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2021年01月26日 12:15
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小学毕业计算题
方程
2
4
2
1
(1) 3.5X
+
1.8
=
12.3 (5) X
+
5
X
=
21 (6)
5
X
+
5
X
=
2
2
3
(7) 3.6X
÷
2
=
2.16 (8) X
+
7
X
=
4
(2) 0.8X
-
4
=
1.6
2
3
(3) 5X
÷
2
=
10 (4) X
-
0.25X
=
3 (9) X
-
5
X
=
10
2
3
9
3
2
(10) X
-
5
=
10
(11) 2X
+
7X
=
10
(12)
8
+
X
=
5
7
14
1
3
5
(13)
10
X
=
25
(14)
2
X
=
4
(15)
9
X
=
1
(16) 180
+
6X
=
330 (17) 2.2X
-
1
=
10 (18) X
-
0.8X
=
10
(19) 15X
÷
2
=
60 (20) 4X
+
X
=
3.15
(
21
)
3.4X
+
1.8
=
8.6
(22) 5X
-
X
=
2.4 (23) 1.5X
-
X
=
1 (24) 6.6X
-
6X
=
1.8
2
3
3
(25) 2X
-
3
X
=
4
(26)
5
χ
+2.4
χ
=6 (27)3.5:
χ
=5:4.2
(28)1.8
χ
-
χ
102
.
5
=2.4 (29)
x
=
0
.
8
(30)6
×
3
-
1.8
χ
=7.2
(31)1 7
-
5
χ
1
x
1
.
2
=2.4+ 3
5
(32)
4
=
5
(33)
χ
1
3
-
4
χ
=
8
5
(34)12.6
×
6
2
(37)
3
χ
-
2
χ
x
1
.
5
3
1
1
=8 (35)
1
.
2
=
0
.
6
(36)
5
×
2
-
χ
=
5
1
=27
2
1
-
4
χ
3
=
8
+50%=42 (38)4
χ
-
13=31 (3 9)4.5+8
χ
(40)2
χ
1
+4.3
×
3= 14
2
(41)
χ
3
2
×
(1
-< br>8
)
=
1
3
(
42
)
χ
1
(
43
)
3
2
÷
4
χ1
.
5
x
=
2.5
(
44
)
0
.
4
=
6
(
45
)
1.6
:
χ
1
1
=20
:
3
(
48
)
4
χ
2
3
=
5
:
10
(
46
)
3
χ
7
-
16
×
3
=
102
(
47
)
x
:
1
9
+
7.1
=< br>12.5