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计算下面各题，能简算要简算．（1）65×67-67÷5（2）99+99×0.9+99×8.1（3）813÷7+17×513（4）116×4÷14×4．
题目详情
计算下面各题，能简算要简算．
（1）
×
-
÷5
（2）99+99×0.9+99×8.1
（3）
÷7+
×
（4）
×4÷
×4．计算下面各题，能简算要简算．
（1）
×
-
÷5
（2）99+99×0.9+99×8.1
（3）
÷7+
×
（4）
×4÷
×4．
×
-
÷5
（2）99+99×0.9+99×8.1
（3）
÷7+
×
（4）
×4÷
×4．
6 5 6 6 5 5
-
÷5
（2）99+99×0.9+99×8.1
（3）
÷7+
×
（4）
×4÷
×4．
6 7 6 6 7 7
÷5
（2）99+99×0.9+99×8.1
（3）
÷7+
×
（4）
×4÷
×4．
6 7 6 6 7 7
÷7+
×
（4）
×4÷
×4．
8 13 8 8 13 13
×
（4）
×4÷
×4．
1 7 1 1 7 7
（4）
×4÷
×4．
5 13 5 5 13 13
×4÷
×4．
1 16 1 1 16 16
×4．
1 4 1 1 4 4
（1）
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
（1）
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 6 |
| 7 |
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 6 |
| 7 |
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 1 |
| 7 |
| 5 |
| 13 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
| 5 |
| 13 |
| 1 |
| 16 |
| 1 |
| 4 |
| 1 |
| 16 |
| 1 |
| 4 |
| 1 |
| 4 |
▼优质解答
答案和解析
（1）
×
-
÷5
=
×
-
×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 5 6 6 65 5 5×
-
÷5
=
×
-
×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7-
÷5
=
×
-
×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7÷5
=
×
-
×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 5 6 6 65 5 5×
-
×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7-
×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7×
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 5 1 1 15 5 5
=（
-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 5 6 6 65 5 5-
）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 5 1 1 15 5 5）×
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7
=1×
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7
=
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
6 7 6 6 67 7 7
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
8 13 8 8 813 13 13÷7+
×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7×
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
5 13 5 5 513 13 13
=
×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
8 13 8 8 813 13 13×
+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7+
×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7×
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
5 13 5 5 513 13 13
=（
+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
8 13 8 8 813 13 13+
）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
5 13 5 5 513 13 13）×
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7
=1×
=
（4）
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7
=
（4）
×4÷
×4
=
×4×4×4
=4
1 7 1 1 17 7 7
（4）
×4÷
×4
=
×4×4×4
=4
1 16 1 1 116 16 16×4÷
×4
=
×4×4×4
=4
1 4 1 1 14 4 4×4
=
×4×4×4
=4
1 16 1 1 116 16 16×4×4×4
=4
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
=
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
=
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
| 6 |
| 7 |
=
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
=
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 5 |
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 5 |
=（
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 5 |
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 5 |
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
=1×
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
=
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 6 |
| 7 |
（2）99+99×0.9+99×8.1
=99×（1+0.9+8.1）
=99×10
=990
（3）
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 7 |
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 5 |
| 13 |
=（
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 8 |
| 13 |
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 5 |
| 13 |
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 7 |
=1×
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 7 |
=
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 7 |
（4）
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 16 |
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 4 |
=
| 1 |
| 16 |
=4
| 1 |
| 16 |
=4
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