问题
解答题
(1)2865+1495÷23 (2)5.4×(8.5-0.25) (3)
|
答案
(1)2865+1495÷23,
=2865+65,
=2930;
(2)5.4×(8.5-0.25),
=5.4×8.25,
=44.55;
(3)
×[﹙5 11
﹢2 5
﹚÷1 3
],5 6
=
×[5 11
÷11 15
],5 6
=
×5 11
×11 15
,6 5
=
×1 3
,6 5
=
.2 5