Question

数学题＋英语题

数学：（1）3×√7 — 4×√63 （2）3×√2×√7+2׳√9×√7 —√5×√7

英语：A.Excuse me,Barry.Do you (1)_____a bike?
B.Sorry,I don't have (2)_____.
A.Who (3)______a bike, do you konw?
B.I think Ed has (4)____ you can borrow(借）（5）_____
A.Hello,Ed ! Can I(6)____your bike,Please?
C.Ok,Here you are But you must （必须）give (7)____back temesoon
A.I think i(8)_____give it back to you tomorrow
C.That'sok

Answer 1

3×√7 — 4×√63
= 3×√7 -4×3×√7 =-9√7
（2）3×√2×√7+2׳√9×√7 —√5×√7=√7(3×√2×+2׳√9 —√5)

(1) have, (2) any(3) has (4)one(5) it(6)borrow(7)it(8) will

Answer 2

我的回答是
3×√7 — 4×√63
=-9√7
（2）3×√2×√7+2׳√9×√7 —√5×√7=√7(3×√2×+2׳√9 —√5)

(1) have, (2) any(3) has (4)one(5) it(6)borrow(7)it(8) will
一楼回答的应该对

Answer 3

(1）3×√7 — 4×√63
=3×√7 — 4×√(9×7)
=3×√7 — 12×√7
=-9√7

2）3×√2×√7+2׳√9×√7 —√5×√7
=√7（3√2+2³√9 —√5）

英语：A.Excuse me,Barry.Do you (1)__have___a bike?
B.Sorry,I don't have (2)_any____.
A.Who (3)__has____a bike, do you konw?
B.I think Ed has (4)_one___ you can borrow(借）（5）_it____
A.Hello,Ed ! Can I(6)_borrow___your bike,Please?
C.Ok,Here you are But you must （必须）give (7)_it___back temesoon
A.I think i(8)__will__give it back to you tomorrow
C.That'sok

Answer 4

1.have 2.it 3.does have 4.it 5.to him 6.borrow 7.it 8maybe