hangoutwithfriendsspendtimealonecompetewithsb.givesb.alotofpressure1.Tomisn’tgoodatEnglishbuthedoeswellin.2.Sheisquiet.Shelikes.3.Ourteachersoftensothatwecanworkhardatourstudy.4.Alanlikesa
hang out with friends spend time alone
compete with sb. give sb. a lot of pressure
1. Tom isn’t good at English but he does well in.
2. She is quiet. She likes .
3. Our teachers often so that we can work hard at our study.
4. Alan likes at the mall.
1. playing computer games 2. spending time alone
3. give us a lot of pressure 4. hanging out with friends
(-1又5分之2)2-(-0.1)3-丨-7分之2丨2-3（3）÷（-3）2-3分之1×（-3）3( 2020-03-31 …
1+1又1/3+1又2/3+2+2又1/3+2又2/3+3+3又1/3+3又2/3.28+28又1 2020-04-07 …
1.（√7+5）（5-√7）2.(2√5-3)(2√5+3)3.(√3-√2)^24.(3√2-4 2020-04-07 …
1/1,-1/2,-2/1,1/3,2/2,1/3,-1/4,-2/3,-3/2,-4/1,1/5 2020-04-09 …
S=(1+1/1*2+(2+1/2*3)+(3+1/3*4)+...+(20+1/20*21)S= 2020-04-27 …
已知1^3=1=1/4*1^2*2^2；1^3+2^3=9=1/4*2^2*3^2；1^3+2^3 2020-07-19 …
已知1^3=1=1/4*1^2*2；1^3+2^3=9=1/4*2^2*3^2；1^3+2^3+3 2020-07-19 …
hangoutwithfriendsspendtimealonecompetewithsb.give 2020-10-31 …
hangoutwithfriendsspendtimealonecompetewithsb.give 2020-10-31 …
观察下列各式：1^3+2^3=1+8=9,而(1+2)^2=9……观察下列各式：1^3+2^3=1+ 2021-01-01 …