计算下面各题,能简算的必须简算.87×38656×115÷71824×(38+16+512)13÷5+23×1529×0.375÷67(34-316)×(29+13).-数学
(3)24×(
3 |
8 |
1 |
6 |
5 |
12 |
=24×
3 |
8 |
1 |
6 |
5 |
12 |
=9+4+10
=23;
(4)
1 |
3 |
2 |
3 |
1 |
5 |
=
1 |
3 |
1 |
5 |
2 |
3 |
1 |
5 |
=(
1 |
3 |
2 |
3 |
1 |
5 |
=1×
1 |
5 |
=
1 |
5 |
(5)
2 |
9 |
6 |
7 |
=
2 |
9 |
3 |
8 |
6 |
7 |
=
1 |
12 |
6 |
7 |
=
7 |
72 |
(6)(
3 |
4 |
3 |
16 |
2 |
9 |
1 |
3 |
=