1.if a =4,b=5 ,what's the answer to the question "a+2ab+1=?请问这句中的 to是针对的意思吧,不是不定式结构,2.our school playground is ()A fifty metres-long B fifty metre long C fifty metres long D fifty-metre long 选完后请回答

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1.ifa=4,b=5,what''stheanswertothequestion"a+2ab+1=?请问这句中的to是针对的意思吧,不是不定式结构,2.ourschoolplaygroundis()A

1.if a =4,b=5 ,what's the answer to the question "a+2ab+1=?请问这句中的 to是针对的意思吧,不是不定式结构,2.our school playground is ()A fifty metres-long B fifty metre long C fifty metres long D fifty-metre long 选完后请回答
1.if a =4,b=5 ,what's the answer to the question "a+2ab+1=?请问这句中的 to是针对的意思吧,不是不
定式结构,
2.our school playground is ()
A fifty metres-long B fifty metre long C fifty metres long D fifty-metre long 选完后请回答:如果要用连字符表达那正确的表达应是:
3.in our class there are 20 girls ,and () are boys.
A other students B the other students C others students D the others studentss 另,and 在此句中怎样译?
4.Mr Smith comes from London,Now he is in China .he is a teacher .he teachers ()a middle school .
A on B in C at D from,选 完后请回答,in 和 at 的区别.

1.if a =4,b=5 ,what's the answer to the question "a+2ab+1=?请问这句中的 to是针对的意思吧,不是不定式结构,2.our school playground is ()A fifty metres-long B fifty metre long C fifty metres long D fifty-metre long 选完后请回答
不定式指的是to+动词原形,如to do sth.;本句中to后面是名词,所以to是介词,意思是“(针)对...”
此题从语法角度看选C、D均可.若需连字符,则选D.记住:数词和单位名词之间用连字符连起来是单位名词用单数.50-meter;3-inch等.
选B.the other表示二选一时的另一个(些).and此处译作“而”.
选C.通常情况下,in +较大的地点名词,如国家,省份,城市;in Beijing,in Shenzhen,in Hebei等;at+较小的地点名词,如at home,at the park,at school等.

函数的一对一问题: !(a) If f(2) = 14, what is f^−1(14)? (b) If f^−1(1) = 5, what is f(5)? If A×B=6(A-B),what are the minimum values of A and if ((a>=4'b0111) && (b 1.Does formula f(x)=1/(x²-2) define a function f:R->R?A function Z->R?2.If there are 2187 function f:A->B and |B|=3.What is |A|?3.Give an example of a function f:A->B and A1,A2 in the A for which f(A1∩A2) ≠ f(A1)∩f(A2)4.If A={1,2,3,4,5} an If a=3 and b =4,what's the answer to the probiedm:a+b+1=?The answei is(填数词) If A=9,B=6,C=4,D=24,E=3,what is the answer to this sum written as a letter? a=b=c=0;x=35; if(!a)x--;else if(b);if(c)x=3;else x=4 中的 if(!a) if(b) if(c)的意思是什么 GRE SECTION 47 7IF a and b are positive and 7a-5=2.what is the greatest possible of ab?10 为什么? If A=6+9x^2 and B=7+3x,the what is A in terms of IF函数的嵌套问题公式如下:if(G8=岗位A,IF(BN8>=12000,6.5%,IF(BN8>=8000,6%,IF(BN8>=4000,5%,0))),if(G8=岗位B,IF(BO8>=12000,2%,IF(BO8>=8000,1.5%,IF(BO8>=4000,1%,0)))),if(G8=岗位C,IF(BO8>=20000,7%,IF(BO8>=7000,4%,0))),if(G8=岗位 =IF(A1=a,1,IF(A2=b,2,IF(A3=c,3,IF(A4=d,4,IF(A5=e,5,IF(A6=f,6,IF(A7=g,7,IF(A8=h,8,if(A9=i,9,if(a10=j,10,if(a11=k,11,if(a12=l,12,if(a13=m,13,if(a14=n,14,if(a15=o,15,if(a16=p,16,if(a17=q,17,if(a18=r,18,19))))))))))))) a=1 b:if a A spring(k=400N/m)is hung vertically.a) if a 5kg mass is attached to the end if the spring and gently lowered to rest position,what will be the stretch of the spring?b) if the 5kg mass is attached and simply dropped,what will be the maximum velocit what if =what would you do =IF(A2>90,A ,IF(A2>80,B ,C )) “=IF(A2>90,A,IF(A2>80,B,C))”, 如果整型量a,b,c的值分别是5,4,3,则语句if (a>=b--) ; if (--b IF公式的运用=IF(F10=Vc,28,IF(F10=Vb,28,IF(F10=Va,28,IF(F10=Ⅳc,25,IF(F10=Ⅳb,25,IF(F10=Ⅳa,25,IF(F10=Ⅲb,23,IF(F10=Ⅲa,12,5)))))))) .F10是单元格 想再加IF(F10=Ⅱb,5,).