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(2012•泗县模拟)能简算的要简算1.6×240-16×1483.3-4.14-5.861118×9-1118×6910-(14+720)÷34.

题目详情
(2012•泗县模拟)
能简算的要简算
1.6×240-16×14         
 83.3-4.14-5.86        
 
11
18
×9-
11
18
×6            
 
9
10
-(
1
4
+
7
20
)÷
3
4
▼优质解答
答案和解析
(1)1.6×240-16×14,
=1.6×240-1.6×140,
=1.6×(240-140),
=160;

(2)83.3-4.14-5.86,
=83.3-(4.14+5.86),
=83.3-10,
=73.3;

(3)
11
18
×9-
11
18
×6,
=
11
18
×(9-6),
=
11
18
×3,
=1
5
6
; 

(4)
9
10
-(
1
4
+
7
20
)÷
3
4

=
9
10
-(
5
20
+
7
20
)×
4
3

=
9
10
-
12
20
×
4
3

=
9
10
-
8
10

=0.1;