题目内容

计算题
204×35-6343.6-3.6÷0.9×0.86
1
8
÷[5.8÷(5.4-4
4
7
)]
(2
4
9
+
1
3
)÷(3
5
6
-3
5
16
)
(4.2+2
1
4
)÷[(21.74-
6
25
)
×
2
3
]
.
①204×35-634,
=7140-634,
=6506;
②3.6-3.6÷0.9×0.8,
=3.6-4×0.8,
=3.6-3.2,
=0.4;
③6
1
8
÷[5.8÷(5.4-4
1
7
)],
=6
1
8
÷[5.8÷
44
35
],
=6
1
8
÷[
29
5
×
35
44
],
=6
1
8
÷
203
44
,
=
49
8
×
44
203
,
=1
19
58
;
④(2
4
9
+
1
3
)÷(3
5
6
-3
5
16
)
,
=2
7
9
÷
25
48
,
=
25
9
×
48
25
,
=5
1
3
;
⑤(4.2+2
1
4
)÷[(21.74-
6
25
)
×
2
3
],
=6
9
20
÷[(21.74-0.24)×
2
3
],
=
129
20
÷[21.5×
2
3
],
=
129
20
÷
43
3
,
=
9
20
.
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