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

(2
4
9
+
1
3
)÷(3
5
6
-3
5
16
)

=2
7
9
÷
25
48

=
25
9
×
48
25

=5
1
3

(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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