One,

(1) 2760 (2) 213.3690 (3) 2.2 million yuan 2.2 million yuan (4) 10 National Day goods sell well (5) Fold line 5.5

Second,

(1) Class 2234414542 (2) 5.05.0 (3) A: 5.0 (4) 51The left eye vision is very poor, so you should do the rest by yourself. (5) Omission

p5 1

One,

( 1)3 1 1(2)0 4 2 (3)0 3 1

Two, three tenths.

Third, ellipsis

4. a: the possibility is one in four, which is the same.

This was later proofread by our teacher. I hope I can help you. O(∩_∩)o Haha