(1718-34+16)÷13623÷8+13×18516×12×34×16916÷(38+116)45×56+25÷3545÷[(58-12)÷58].-数学
3 |
4 |
1 |
6 |
=34-27+6,
=7+6,
=13;
(2)
2 |
3 |
1 |
3 |
1 |
8 |
=
2 |
3 |
1 |
8 |
1 |
3 |
1 |
8 |
=(
2 |
3 |
1 |
3 |
1 |
8 |
=1×
1 |
8 |
=
1 |
8 |
(3)
5 |
16 |
3 |
4 |
=(
5 |
16 |
3 |
4 |
=5+9,
=14;
(4)
9 |
16 |
3 |
8 |
1 |
16 |
=
9 |
16 |
7 |
16 |
=
9 |
16 |
16 |
7 |
=
9 |
7 |
(5)
4 |
5 |
5 |
6 |
2 |
5 |
3 |
5 |
=
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