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Don't put off till tomorrow ________ you should do today!
1年前
The rescue team are considering _____ they can do more for the people _____ form the snow storm.
1年前
如图,四边形ABCD为矩形,连接AC,AD=2CD,点E在AD边上. (1)如图1,若∠ECD=30°,CE=4,求△AEC的面积;
1年前
4.3272727…的循环节是“27”,简记作4.327.______.(判断对错)
1年前
找错改错Jenny cat is white. ________ 改为________
1年前