1.He will visit me next weekend.(改同义句）

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1.He will visit me next weekend.(改同义句）
He will_________and_________me next weekend.
2.首字母填空：He thinks reading is only s______you have to do at school.
3.设根号2是a,根号3是b,用含a,b的式子表示根号0.54
4.已知长方形的长是根号140π,宽是根号35π,求与长方形面积相等的正方形周长.
5.（x+2倍根号xy+y)÷（根号x-根号y）

1 He will come and meet me next weekend.
2 should
3 3b/5a
4 4√70π
5 （√x+√y）(x+2√xy+y)/(x-y) 式子里的xy+y都在根号下
那步的步骤不会也可以问
再问：第4题没看明白..
再答：好的长方形的面积=根号下的140π乘以根号下35π=70π=正方形的面积所以这个正方形的边长=根号下70π 所以正方形的周长=4倍根号下70π 明白不？嘻嘻

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