题目内容

计算
(1)5.425+4.575=
(2)67-48=
(3)36÷2=
(4)7.2÷0.04=
(5)6÷(
1
4
+
1
3
)
=
(6)42×(
1
2
-
1
6
+
1
3
)
=
(7)3
3
4
-(7
2
3
-5
3
4
)
=
(8)7
5
7
+
3
4
-
19
7
+2.25
=
(9)
3
8
×
8
3
÷
1
3
=
(10)73×0.6+26×60%+
3
5
=
(1)5.425+4.575=10;

(2)67-48=19;

(3)36÷2=18;

(4)7.2÷0.04=180;

(5)6÷(
1
4
+
1
3
)

=6÷
7
12

=
72
7


(6)42×(
1
2
-
1
6
+
1
3
)

=42×
1
2
-42×
1
6
+42×
1
3

=21-7+14,
=28;

(7)3
3
4
-(7
2
3
-5
3
4
)

=3
3
4
+5
3
4
-7
2
3

=9
1
2
-7
2
3

=1
5
6


(8)7
5
7
+
3
4
-
19
7
+2.25

=(7
5
7
-2
5
7
)+(
3
4
+2
1
4
),
=5+3,
=8;

(9)
3
8
×
8
3
÷
1
3

=3×
8
3
×
8
3
×3,
=(3×
8
3
)×(
8
3
×3),
=8×8,
=64;

(10)73×0.6+26×60%+
3
5

=(73+26+1)×0.6,
=100×0.6,
=60.
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