(1)46.7-15.03-4.97
(2)709-4832÷16
(3)(
| 1 |
| 9 |
| 1 |
| 27 |
| 27 |
| 23 |
(4)
| 2 |
| 3 |
| 9 |
| 10 |
| 7 |
| 16 |
| 1 |
| 4 |
=46.7-(15.03+4.97),
=46.7-20,
=26.7;
(2)709-4832÷16
=709-4832÷(8×2),
=709-4832÷8÷2,
=709-604÷2,
=709-302,
=407;
(3)(
| 1 |
| 9 |
| 1 |
| 27 |
| 27 |
| 23 |
=
| 4 |
| 27 |
| 27 |
| 23 |
=
| 1 |
| 27 |
| 27 |
| 23 |
=1
| 131 |
| 621 |
(4)
| 2 |
| 3 |
| 9 |
| 10 |
| 7 |
| 16 |
| 1 |
| 4 |
=
| 2 |
| 3 |
| 9 |
| 10 |
| 3 |
| 16 |
=
| 2 |
| 3 |
| 9 |
| 10 |
| 2 |
| 3 |
| 3 |
| 16 |
=
| 3 |
| 5 |
| 1 |
| 8 |
=
| 29 |
| 40 |