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计算下面各题.675-225÷15×453.5×2.6+5.4÷18(356-234)÷(27+1314)(3.86+2×3.86+3.86)×0.25.

题目详情
计算下面各题.
675-225÷15×45
3.5×2.6+5.4÷18
3
5
6
-2
3
4
)÷(
2
7
+
13
14
(3.86+2×3.86+3.86)×0.25.
计算下面各题.
675-225÷15×45
3.5×2.6+5.4÷18
3
5
6
-2
3
4
)÷(
2
7
+
13
14
(3.86+2×3.86+3.86)×0.25.
计算下面各题.
675-225÷15×45 3.5×2.6+5.4÷18计算下面各题.
675-225÷15×45
3.5×2.6+5.4÷18 (3
5
6
-2
3
4
)÷(
2
7
+
13
14
(3.86+2×3.86+3.86)×0.25.(3
5
6
-2
3
4
)÷(
2
7
+
13
14
3
5
6
-2
3
4
)÷(
2
7
+
13
14
5
6
55662
3
4
)÷(
2
7
+
13
14
3
4
3344
2
7
+
13
14
2
7
2277
13
14
13
14
13131414(3.86+2×3.86+3.86)×0.25.
▼优质解答
答案和解析
(1)675-225÷15×45,
=675-15×45,
=675-675,
=0;

(2)3.5×2.6+5.4÷18,
=9.1+0.3,
=9.4;

(3)(3
5
6
-2
3
4
)÷(
2
7
+
13
14
),
=
13
12
÷
17
14

=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
3
5
6
555666-2
3
4
)÷(
2
7
+
13
14
),
=
13
12
÷
17
14

=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
2
3
4
333444)÷(
2
7
+
13
14
),
=
13
12
÷
17
14

=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
2
7
222777+
13
14
),
=
13
12
÷
17
14

=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
13
14
131313141414),
=
13
12
÷
17
14

=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
13
12
131313121212÷
17
14

=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
17
14
171717141414,
=
91
102


(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.
91
102
919191102102102;

(4)(3.86+2×3.86+3.86)×0.25,
=(3.86×4)×0.25,
=3.86×(4×0.25),
=3.86×1,
=3.86.