“考考你”下面各题怎么算简便就怎么算?710×101-71089×89÷89×8935×99+35(47+89)×2251521×34+1021×34-34345×2536×3435(56-59)×185.-数学
8 |
9 |
=
8 |
9 |
8 |
9 |
9 |
8 |
8 |
9 |
=(
8 |
9 |
8 |
9 |
9 |
8 |
8 |
9 |
=
64 |
81 |
=
64 |
81 |
(3)
3 |
5 |
3 |
5 |
=
3 |
5 |
=
3 |
5 |
=60;
(4)(
4 |
7 |
8 |
9 |
2 |
25 |
=
92 |
63 |
2 |
25 |
=
184 |
1575 |
(5)
15 |
21 |
3 |
4 |
10 |
21 |
3 |
4 |
3 |
4 |
=(
15 |
21 |
10 |
21 |
3 |
4 |
=
4 |
21 |
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