(1)201-5406÷51
(2)(
| 5 |
| 9 |
| 2 |
| 3 |
| 7 |
| 8 |
| 5 |
| 16 |
(3)
| 7 |
| 8 |
| 13 |
| 9 |
| 13 |
| 9 |
(4)6.48÷[(3.3-2.7)×0.9].(1)201-5406÷51,
=201-106,
=95;
(2)(
| 5 |
| 9 |
| 2 |
| 3 |
| 7 |
| 8 |
| 5 |
| 16 |
=
| 11 |
| 9 |
| 9 |
| 16 |
=
| 11 |
| 16 |
(3)
| 7 |
| 8 |
| 13 |
| 9 |
| 13 |
| 9 |
=
| 7 |
| 8 |
| 13 |
| 9 |
| 13 |
| 9 |
| 1 |
| 8 |
=(
| 7 |
| 8 |
| 1 |
| 8 |
| 13 |
| 9 |
=1×
| 13 |
| 9 |
=
| 13 |
| 9 |
(4)6.48÷[(3.3-2.7)×0.9],
=6.48÷[0.6×0.9],
=6.48÷0.54,
=12.