问题
解答题
|
答案
(1)125
×8 3 8
=(125+
)×8,3 8
=125×8+
×8,3 8
=1000+3,
=1003;
(2)
×43+7 8
×36+7 8 7 8
=(1+43+36)×
,7 8
=80×
,7 8
=70;
(3)
×(5 9
÷3 4
)1 10
=
×5 9
,15 2
=
;25 6
(4)(
+2 9
)×272 27
=
×27+2 9
×27,2 27
=6+2,
=8.