问题
解答题
|
答案
(1)1.25÷2.5=0.5;
(2)36×(
+3 4
)5 6
=36×
+36×3 4
,5 6
=27+30,
=57;
(3)9
÷99 10
=
×99 10
,1 9
=1
;1 10
(4)5×
÷1 5
×51 5
=
÷1 5
×5×5,1 5
=1×5×5,
=25;
(5)8-8÷9
=8-
,8 9
=7
;1 9
(6)
÷7=4 7
.4 49