问题
解答题
| 脱式计算，怎样简便就怎样算 ①(
②
③
④102×
⑤
⑥
|
答案
①（
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 6 |
=
| 1 |
| 4 |
| 1 |
| 6 |
=
| 9 |
| 12 |
| 2 |
| 12 |
=
| 11 |
| 12 |
②
| 3 |
| 4 |
| 9 |
| 10 |
| 5 |
| 14 |
| 7 |
| 15 |
=
| 3 |
| 4 |
| 10 |
| 9 |
| 5 |
| 14 |
| 7 |
| 15 |
=
| 5 |
| 6 |
| 1 |
| 6 |
=
| 2 |
| 3 |
③
| 8 |
| 9 |
| 3 |
| 4 |
| 7 |
| 16 |
| 1 |
| 4 |
=
| 8 |
| 9 |
| 3 |
| 4 |
| 3 |
| 16 |
=
| 8 |
| 9 |
| 9 |
| 16 |
=
| 1 |
| 2 |
④102×
| 98 |
| 101 |
=（101+1）×
| 98 |
| 101 |
=101×
| 98 |
| 101 |
| 98 |
| 101 |
=98+
| 98 |
| 101 |
=98
| 98 |
| 101 |
⑤
| 4 |
| 5 |
| 5 |
| 9 |
| 1 |
| 5 |
| 4 |
| 9 |
=（
| 4 |
| 5 |
| 1 |
| 5 |
| 5 |
| 9 |
| 4 |
| 9 |
=1-1，
=0；
⑥
| 8 |
| 13 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 8 |
| 13 |
| 1 |
| 7 |
| 1 |
| 7 |
| 5 |
| 13 |
=
| 1 |
| 7 |
| 5 |
| 13 |
| 8 |
| 13 |
=
| 1 |
| 7 |
=
| 1 |
| 7 |