问题
解答题
|
答案
(1)0.75×
+5 11
×6 11
,3 4
=0.75×(
+5 11
),6 11
=0.75×1,
=0.75;
(2)0.25×4÷0.25×4,
=0.25÷0.25×(4×4),
=1×16,
=16;
(3)(
+1 10
)×13+4÷17,1 17
=(
+1 10
)×13+1 17
,4 17
=
×13+1 10
×13+1 17
,4 17
=1
+(3 10
+13 17
),4 17
=1
+1,3 10
=2
;3 10
(4)0.6÷
+7 13
×8 7
-60%,3 5
=0.6×
+13 7
×0.6-0.6,8 7
=0.6×(
+13 7
-1),8 7
=0.6×2,
=1.2;
(5)50-7.5-1.3-1.2,
=50-(7.5+1.3+1.2),
=50-10,
=40;
(6)(
-1 2
+1 3
)×36,1 6
=
×36-1 2
×36+1 3
×36,1 6
=18-12+6,
=12.