用递等式计算5512-(178÷412+34×115)1012÷[(3.5+2.8)×17]3÷78-34÷3-34×314×3.2+2.8÷2354-(10.9-525×113)7.8×[32×(1-58)+3.6].-数学
9 |
10 |
═5
5 |
12 |
5 |
12 |
9 |
10 |
=5-
9 |
10 |
=4
1 |
10 |
(2)10
1 |
2 |
1 |
7 |
=10
1 |
2 |
1 |
7 |
=10
1 |
2 |
=
210 |
18 |
(3)3÷
7 |
8 |
3 |
4 |
3 |
4 |
=
24 |
7 |
1 |
4 |
9 |
4 |
=
24 |
7 |
1 |
4 |
9 |
4 |
=
24 |
7 |
5 |
2 |
=
13 |
14 |
(4)