题目内容

计算,能简算的要简算.
(
7
q
+
13
13
13
13
23×
1b
3
×
2
3
×
3
1b
23
9
÷
4
3
÷
3
4
3
9
×
3
q
+
4
9
×b.373
3bb×2b%+
13
q
÷
13
24
(1)(
7
8
+
13
1q
)÷
13
1q

=(
7
8
+
13
1q
)×
1q
13

=
7
8
×
1q
13
+
13
1q
×
1q
13

=
14
13
+1,
=2
1
13


(2)22×
10
3
×
2
2
×
3
10

=(22×
2
2
)×(
10
3
×
3
10
),
=10×1,
=10;

(3)
22
9
÷
4
2
÷
2
4

=
22
9
×(
2
4
×
4
2
),
=
22
9
×1,
=
22
9


(4)
2
9
×
3
8
+
4
9
×0.372,
=(
4
9
+
4
9
)×0.372,
=1×0.372,
=0.372;

(2)q00×20%+
13
8
÷
13
24

=120+3,
=123.
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