问题
解答题
脱式计算 798+10570÷35 1.8-1÷(0.75+
9
|
答案
(1)798+10570÷35,
=798+302,
=1100;
(2)1.8-1÷(0.75+
)×11 3
,5 8
=1.8-1÷
×113 12
,5 8
=1.8-
×12 13
,13 8
=1.8-1.5,
=0.3;
(3)9
÷(74 5
×0.6-2 5
÷3 5
),5 32
=9
÷(4 5
-111 25
),96 25
=
÷49 5
,3 5
=
.49 3