问题 解答题
脱式计算
798+10570÷35
1.8-1÷(0.75+
1
3
)×1
5
8

9
4
5
÷(7
2
5
×0.6-
3
5
÷
5
32
答案

(1)798+10570÷35,

=798+302,

=1100;

(2)1.8-1÷(0.75+

1
3
)×1
5
8

=1.8-1÷

13
12
×1
5
8

=1.8-

12
13
×
13
8

=1.8-1.5,

=0.3;

(3)9

4
5
÷(7
2
5
×0.6-
3
5
÷
5
32
),

=9

4
5
÷(
111
25
-
96
25
),

=

49
5
÷
3
5

=

49
3

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