1/4×(4.85÷5/18-3.6+6.15×33/5)+[5.5-1.75×(12/3+19/21)]=_.

问题描述:

1
4
×(4.85÷
5
18
-3.6+6.15×3
3
5
)+[5.5-1.75×(1
2
3
+
19
21
)]=______.

1
4
×(4.85÷
5
18
-3.6+6.15×3
3
5
)+[5.5-1.75×(1
2
3
+
19
21
)]
=
1
4
×(4.85×
18
5
-3.6+6.15×
18
5
)+[5.5-
7
4
×
54
21
]
=
1
4
×(17.46-3.6+22.14)+[5.5-
9
2
]
=
1
4
×36+1
=9+1
=10
故答案为:10.