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脱式计算．（能简算要简算）9.43-2.6+8.57-3.48.88×12.5（512+119）×12+719（2.8+3.85÷3.5）×0.256÷[1-（34+112）]．
题目详情
脱式计算．（能简算要简算）
9.43-2.6+8.57-3.4
8.88×12.5
（
+
）×12+
（2.8+3.85÷3.5）×0.2
÷[1-（
+
）]．脱式计算．（能简算要简算）
9.43-2.6+8.57-3.4
8.88×12.5
（
+
）×12+
（2.8+3.85÷3.5）×0.2
÷[1-（
+
）]．
+
）×12+
（2.8+3.85÷3.5）×0.2
÷[1-（
+
）]．
5 12 5 5 12 12
）×12+
（2.8+3.85÷3.5）×0.2
÷[1-（
+
）]．
1 19 1 1 19 19
（2.8+3.85÷3.5）×0.2
÷[1-（
+
）]．
7 19 7 7 19 19
÷[1-（
+
）]．
5 6 5 5 6 6
+
）]．
3 4 3 3 4 4
）]．
1 12 1 1 12 12
9.43-2.6+8.57-3.4
8.88×12.5
（
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
（2.8+3.85÷3.5）×0.2
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
9.43-2.6+8.57-3.4
8.88×12.5
（
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
（2.8+3.85÷3.5）×0.2
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
（2.8+3.85÷3.5）×0.2
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
（2.8+3.85÷3.5）×0.2
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
（2.8+3.85÷3.5）×0.2
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
| 7 |
| 19 |
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
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| 5 |
| 6 |
| 3 |
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| 1 |
| 12 |
| 3 |
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| 1 |
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| 1 |
| 12 |
▼优质解答
答案和解析
（1）9.43-2.6+8.57-3.4
=（9.43+8.57）-（2.6+3.4）
=18-6
=12；
（2）8.88×12.5
=（8+0.88）×12.5
=8×12.5+0.88×12.5
=100+11
=111；
（3）（
+
）×12+
=5+（
+
）
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
5 12 5 5 512 12 12+
）×12+
=5+（
+
）
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
1 19 1 1 119 19 19）×12+
=5+（
+
）
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
7 19 7 7 719 19 19
=5+（
+
）
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
12 19 12 12 1219 19 19+
）
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
7 19 7 7 719 19 19）
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
5 6 5 5 56 6 6÷[1-（
+
）]
=
÷（1-
）
=
÷
=5．
3 4 3 3 34 4 4+
）]
=
÷（1-
）
=
÷
=5．
1 12 1 1 112 12 12）]
=
÷（1-
）
=
÷
=5．
5 6 5 5 56 6 6÷（1-
）
=
÷
=5．
5 6 5 5 56 6 6）
=
÷
=5．
5 6 5 5 56 6 6÷
=5．
1 6 1 1 16 6 6
=5．
=（9.43+8.57）-（2.6+3.4）
=18-6
=12；
（2）8.88×12.5
=（8+0.88）×12.5
=8×12.5+0.88×12.5
=100+11
=111；
（3）（
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
=5+（
| 12 |
| 19 |
| 7 |
| 19 |
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
=5+（
| 12 |
| 19 |
| 7 |
| 19 |
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 1 |
| 19 |
| 7 |
| 19 |
=5+（
| 12 |
| 19 |
| 7 |
| 19 |
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 7 |
| 19 |
=5+（
| 12 |
| 19 |
| 7 |
| 19 |
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 12 |
| 19 |
| 7 |
| 19 |
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 7 |
| 19 |
=5+1
=6；
（4）（2.8+3.85÷3.5）×0.2
=（2.8+1.1）×0.2
=3.9×0.2
=0.78；
（5）
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 3 |
| 4 |
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 1 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 5 |
| 6 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 5 |
| 6 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 5 |
| 6 |
| 1 |
| 6 |
=5．
| 1 |
| 6 |
=5．
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