题目内容

脱式计算.
(1)854-3234÷33
(2)1.5×(7.02-4.8)+6.67
(3)
12
35
×
5
8
÷
2
7
(4)
7
13
×
12
17
+
6
13
÷
17
12
(1)854-3234÷33,
=854-98,
=756;

(2)1.5×(7.02-4.8)+6.67,
=1.5×2.22+6.67,
=3.33+6.67,
=10;

(3)
12
35
×
5
8
÷
2
7

=
3
14
×
7
2

=
3
4


(4)
7
13
×
12
17
+
6
13
÷
17
12

=
7
13
×
12
17
+
6
13
×
12
17

=(
7
13
+
6
13
)×
12
17

=1×
12
17

=
12
17
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