树种 |
桃树 |
梨树 |
苹果树 |
其它 |
棵树(棵) |
|
|
|
|
百分比 |
35% |
|
|
35% |
①908+5.4÷0.27﹣80.9
② ﹣( + ﹣ )
③( + )÷(1﹣ × )
④63×[(1.4+ )÷1.12﹣ ]
⑤ ×3÷[12×(3.75+ )].
①2002×
②3.5× +1.25× +3.8÷
③0.125× + ×6.25-12.5%
④1÷(1.3÷1.7)÷(1.7÷7)÷(7÷2.6)
⑤(5.77× + × )×( -1÷ )
⑥( + )× +0.6×( + )
⑦ + + +……+ +
⑧[( - )×1.5+2.45]×(1.7- )
⑨ × + × + ×
⑩ - + - +