问题
解答题
4.44÷
67×
91×
|
答案
（1）4.44÷
| 37 |
| 8 |
| 31 |
| 37 |
| 25 |
| 111 |
| 35 |
| 37 |
| 111 |
| 25 |
=
| 111 |
| 25 |
| 8 |
| 37 |
| 31 |
| 37 |
| 111 |
| 25 |
| 35 |
| 37 |
| 111 |
| 25 |
=
| 111 |
| 25 |
| 8 |
| 37 |
| 31 |
| 37 |
| 35 |
| 37 |
| 111 |
| 25 |
=
| 111 |
| 25 |
| 8 |
| 37 |
| 66 |
| 37 |
| 111 |
| 25 |
=
| 111 |
| 25 |
| 8 |
| 37 |
| 66 |
| 37 |
=
| 111 |
| 25 |
=
| 222 |
| 25 |
（2）67×
| 65 |
| 66 |
| 1 |
| 66 |
=（66+1）×
| 65 |
| 66 |
| 1 |
| 66 |
=65+
| 65 |
| 66 |
| 1 |
| 66 |
=65+1，
=66；
（3）91×
| 1 |
| 13 |
=91×
| 1 |
| 13 |
| 9 |
| 13 |
| 1 |
| 13 |
=91×
| 1 |
| 13 |
| 1 |
| 13 |
| 1 |
| 13 |
=（91+9-100）×
| 1 |
| 13 |
=0×
| 1 |
| 13 |
=0；
（4）
| 3 |
| 4 |
| 3 |
| 28 |
| 3 |
| 70 |
| 3 |
| 130 |
| 3 |
| 208 |
=
| 3 |
| 1×4 |
| 3 |
| 4×7 |
| 3 |
| 7×10 |
| 3 |
| 10×13 |
| 1 |
| 13×16 |
=1-
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 10 |
| 1 |
| 10 |
| 1 |
| 13 |
| 1 |
| 13 |
| 1 |
| 16 |
=1-
| 1 |
| 16 |
=
| 15 |
| 16 |