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脱式计算.(能简算的要写出简算的主要过程)12×(14+34-16)920÷40+23×9914×(4.85÷518-3.6+6.15×335)49×[0.75-(716+25%)].
题目详情
脱式计算.(能简算的要写出简算的主要过程) 12×(
| 920÷40+23×99 | ||||||||||
|
|
脱式计算.(能简算的要写出简算的主要过程) 12×(
| 920÷40+23×99 | ||||||||||
|
|
12×(
1 |
4 |
3 |
4 |
1 |
6 |
920÷40+23×99
12×(
1 |
4 |
3 |
4 |
1 |
6 |
1 |
4 |
3 |
4 |
1 |
6 |
1 |
4 |
3 |
4 |
1 |
6 |
3 |
4 |
1 |
6 |
1 |
6 |
920÷40+23×99
1 |
4 |
5 |
18 |
3 |
5 |
4 |
9 |
7 |
16 |
1 |
4 |
5 |
18 |
3 |
5 |
1 |
4 |
5 |
18 |
3 |
5 |
1 |
4 |
5 |
18 |
3 |
5 |
5 |
18 |
3 |
5 |
3 |
5 |
4 |
9 |
7 |
16 |
4 |
9 |
7 |
16 |
4 |
9 |
7 |
16 |
7 |
16 |
▼优质解答
答案和解析
(1)12×(
+
-
),
=12×
+12×
-12×
,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4+
-
),
=12×
+12×
-12×
,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
3 3 34 4 4-
),
=12×
+12×
-12×
,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 16 6 6),
=12×
+12×
-12×
,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4+12×
-12×
,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
3 3 34 4 4-12×
,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 16 6 6,
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4×(4.85÷
-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
5 5 518 18 18-3.6+6.15×3
),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
3 3 35 5 5),
=
×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4×(4.85×3.6-3.6+6.15×3.6),
=
×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4×{(4.85-1+6.15)×3.6],
=
×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4×[10×3.6],
=
×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
1 1 14 4 4×36,
=9;
(4)
×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
4 4 49 9 9×[0.75-(
+25%)],
=
×[0.75-
],
=
×
,
=
.
7 7 716 16 16+25%)],
=
×[0.75-
],
=
×
,
=
.
4 4 49 9 9×[0.75-
],
=
×
,
=
.
11 11 1116 16 16],
=
×
,
=
.
4 4 49 9 9×
1 1 116 16 16,
=
.
1 1 136 36 36.
1 |
4 |
3 |
4 |
1 |
6 |
=12×
1 |
4 |
3 |
4 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
3 |
4 |
1 |
6 |
=12×
1 |
4 |
3 |
4 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
3 |
4 |
1 |
6 |
=12×
1 |
4 |
3 |
4 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
6 |
=12×
1 |
4 |
3 |
4 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
3 |
4 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
3 |
4 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
6 |
=3+9-2,
=10;
(2)920÷40+23×99,
=23×40÷40+23×99,
=23+23×99,
=23×(1+99),
=23×100,
=2300;
(3)
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
5 |
18 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
3 |
5 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
=
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
=
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
4 |
=9;
(4)
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
4 |
9 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
7 |
16 |
=
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
4 |
9 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
11 |
16 |
=
4 |
9 |
1 |
16 |
=
1 |
36 |
4 |
9 |
1 |
16 |
=
1 |
36 |
1 |
36 |
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