题目内容

脱式计算
6-
5
3
×
1
2
-
1
6

{1-(
1
12
-
1
18
)}÷
5
8

3.6×2
8
25
÷16.9÷(3
3
5
×1.16)×1.3

1
1×2
+
1
2×3
+
1
3×4
+…+
1
99×100
.
(1)6-
5
3
×
1
2
-
1
6
,
=6-
5
6
-
1
6
,
=6-(
5
6
+
1
6
),
=6-1,
=5;
(2){1-(
1
12
-
1
18
)}÷
5
8
,
=(1-
1
36
)÷
5
8
,
=
35
36
×
8
5
,
=1
5
9
;
(3)3.6×2
8
25
÷16.9÷(3
3
5
×1.16)×1.3,
=3.6×2
8
25
÷16.9÷4.176×1.3,
=3
3
5
×2
8
25
÷16
9
10
÷4
22
125
×1
3
10
,
=
2
13
;
(4)
1
1×2
+
1
2×3
+
1
3×4
+…+
1
99×100
,
=1-
1
2
+
1
2
-
1
3
+
1
3
-
1
4
+…+
1
99
-
1
100
,
=1-
1
100
,
=
99
100
.
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