(1)9003-554÷18×27
(2)
| 1 |
| 12 |
| 5 |
| 12 |
| 1 |
| 2 |
| 11 |
| 24 |
(3)1110÷[56×(
| 3 |
| 7 |
| 3 |
| 8 |
(4)4.3-(0.6+2.4÷12)
(5)99×
| 4 |
| 25 |
(6)48×(
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 12 |
(1)9003-554÷18×27,
=9003-
| 277 |
| 9 |
=9003-831,
=8172;
(2)
| 1 |
| 12 |
| 5 |
| 12 |
| 1 |
| 2 |
| 11 |
| 24 |
=
| 1 |
| 12 |
| 11 |
| 12 |
| 11 |
| 24 |
=
| 1 |
| 12 |
=2
| 1 |
| 12 |
(3)1110÷[56×(
| 3 |
| 7 |
| 3 |
| 8 |
=1110÷[56×
| 3 |
| 7 |
| 3 |
| 8 |
=1110÷[24-21],
=1110÷3,
=370;
(4)4.3-(0.6+2.4÷12),
=4.3-(0.6+0.2),
=4.3-0.8,
=3.5;
(5)99×
| 4 |
| 25 |
=(100-1)×
| 4 |
| 25 |
=100×
| 4 |
| 25 |
| 4 |
| 25 |
=16-
| 4 |
| 25 |
=15
| 21 |
| 25 |
(6)48×(
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 12 |
=48×
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 12 |
=12+8-4,
=20-4,
=16.