问题
解答题
|
答案
(1)9470-104×65,
=9470-6760,
=2710;
(2)4.49+4.84+4.51+4.16,
=(4.49+4.51)+(4.84+4.16),
=9+9,
=18;
(3)88×(
-5 11
),1 4
=88×
-5 11
×88,1 4
=40-22,
=18;
(4)[
-(3 5
-3 4
)]÷2 5
,1 4
=[
+3 5
-2 5
]÷3 4
,1 4
=[1-
]×4,3 4
=
×4,1 4
=1;
(5)[
-(3 4
-5 6
)]÷2 3
,5 4
=[
-3 4
]÷1 6
,5 4
=
×1 2
,4 5
=
;2 5
(6)
÷[9 20
×(1 2
+2 5
)],4 5
=
÷[9 20
×1 2
],6 5
=
÷9 20
,3 5
=
×9 20
,5 3
=
.3 4