问题
解答题
|
答案
①36.25×101-36.25,
=(101-1)×36.25,
=100×36.25,
=3625;
②
-(14 27
-7 16
)+13 27
,9 16
=
-14 27
+7 16
+13 27
,9 16
=(
+14 27
)+(13 27
-9 16
),7 16
=1+
,1 8
=1
;1 8
③36×
+36×5 9
,4 9
=(
+5 9
)×36,4 9
=1×36,
=36;
④0.75-
+5 12
,1 4
=0.75+
-1 4
,5 12
=1-
,5 12
=
;7 12
⑤
-(7 15
+7 15
),2 3
=
-7 15
-7 15
,2 3
=0-
,2 3
=-
;2 3
⑥3
+0.6+0.625+3 8
,2 5
=(3
+0.625)+(0.6+3 8
),2 5
=4+1,
=5.