| 952-952÷17 | (
| (
| ||||||||||||||
| 1.28×5.37-2.8×0.537 |
|
|
=952-56,
=896;
(2)(
| 3 |
| 4 |
| 3 |
| 4 |
| 2 |
| 5 |
| 1 |
| 5 |
=(
| 3 |
| 4 |
| 3 |
| 10 |
| 1 |
| 5 |
=
| 9 |
| 20 |
| 1 |
| 5 |
=
| 9 |
| 4 |
(3)(
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
=
| 5 |
| 12 |
| 1 |
| 19 |
| 7 |
| 19 |
=5+
| 12 |
| 19 |
| 7 |
| 12 |
=5+(
| 12 |
| 19 |
| 7 |
| 12 |
=5+1,
=6;
(4)1.28×5.37-2.8×0.537,
=1.28×5.37-0.28×5.37,
=(1.28-0.28)×5.37,
=1×5.37,
=5.37;
(5)
| 2 |
| 7 |
| 11 |
| 15 |
| 4 |
| 15 |
| 7 |
| 2 |
=
| 2 |
| 7 |
| 11 |
| 15 |
| 4 |
| 15 |
| 2 |
| 7 |
=
| 2 |
| 7 |
| 11 |
| 15 |
| 4 |
| 15 |
=
| 2 |
| 7 |
=
| 2 |
| 7 |
(6)
| 1 |
| 21 |
| 1 |
| 17 |
=
| 1 |
| 21 |
| 1 |
| 17 |
=2009×2×5,
=2009×(2×5),
=2009×10,
=20090.