问题 解答题
计算.(能简算的要简算)
560+1440÷12×5                    
3.5÷0.125×8
8×(
3
8
+
1
27
)+
19
27

5
8
×
11
10
+
3
8
×
11
10
答案

(1)560+1440÷12×5,

=560+120×5,

=560+600,

=1160;

(2)3.5÷0.125×8,

=28×8,

=224;

(3)8×(

3
8
+
1
27
)+
19
27

=8×

3
8
+
1
27
×8+
19
27

=3+

8
27
+
19
27

=3+(

8
27
+
19
27
),

=3+1,

=4;

(4)

5
8
×
11
10
+
3
8
×
11
10

=(

5
8
+
3
8
)×
11
10

=1×

11
10

=

11
10

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