题目内容

计算下面各题.(能简算的要简算)
1
8
×5.3-
1
8
+3.7×
1
8
6.5÷12.5%+3.5×8
4.8×1.012-
15
16
÷
5
7
÷
3
4
3
4
+
1
4
×
5
6
)×
2
3
11
18
+
7
12
)×36
(1)
1
8
×5.3-
1
8
+3.7×
1
8

=(5.3-1+3.7)×
1
8

=8×
1
8

=1;

(2)6.5÷12.5%+3.5×8
=6.5×8+3.5×8
=(6.5+3.5)×8
=10×8
=80;

(3)4.8×1.01
=4.8×(1+0.01)
=4.8×1+4.8×0.01
=4.8+0.048
=4.8048;

(4)2-
15
16
÷
5
7
÷
3
4

=2-
15
16
×
7
5
×
4
3

=2-1
3
4

=
1
4


(5)(
3
4
+
1
4
×
5
6
)×
2
3

=(
3
4
+
5
24
)×
2
3

=
23
24
×
2
3

=
23
36


(6)(
11
18
+
7
12
)×36
=
11
18
×36+
7
12
×36
=22+21
=43.
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