《數(shù)學(xué)《周長練習(xí)題》練習(xí)題維語》由會(huì)員分享,可在線閱讀,更多相關(guān)《數(shù)學(xué)《周長練習(xí)題》練習(xí)題維語(5頁珍藏版)》請?jiān)谘b配圖網(wǎng)上搜索。
1、???????? ?????????? ????? ????? ?????????
????? ?????:
1. ??? ?????????? ????? ????????? 5 ??????????? ?????? ?????????? ??????? ??????????? ??? ??? ??? ????? ????? ???????? ?? ??? ??? ???????? ???????? ????????? 40 ?????????? ?????? ( ).
2. ???????? ?????? ????? ??? ??? ???????? ??? ???
2、 ??? ??? ????? ????? ???????? ?? ??? ??? ??? ???????? ???????? ????????? ????? ??? ??? ???????? ???????? ???????????? 2 ???????? ??? ?????? ( ).
3. ??? ??????? 4 ???? ?????? ?????? ?????? ?????? ??? ??? ??? ??????? ?????????? ??????? ?????? ( ).
??????????? ?????:
1. 45 ???????
3、???? ?????????? ??? ??? ????? ??? ??? ?????? ????? ????? ????? ????????? 9 ?????????? ?????? ??????? ????????? ???? ???????? ??? ????? ???????
2. ??? ??? ????? ??? ???????? ????????? 10 ?????? ??????? 3 ????? ?????? ??? ??? ??? ??????? ??????????? ???? 7 ????? ????? ?????? ?????? ?? ??? ??????? ???
4、?? ??????
3. ??? ??? ??? ???????? ????????? 50 ?????? ????????? ?????????? 10 ????? ????? ?????? ?? ??? ??? ???????? ???????? ????????? ??????
4. ???????? ?????? ????? ??? ??? ??????? ????? ??? ?????????? ?????? ???? ????????? ??? ??? ???????? ????????? 7 ??????????? ??????? 5 ?????????? ?????? ??
5、???????? ???????? ??? ??? ???????? ???????? ????????? ????? ??????? (???????? ???? ??????????).
5. ???????? ??????? ??????? 45 ??????????? ????????? 100 ?????????? ?????? ?? ???????? ??????? ?????????? ????? ???????
6. ??? ??? ????? ???????? ??? ????? ???????????? ????????? 18 ?????? ??????? 9
6、 ?????? ????? ????????? ????????? ????? ?????? ???????? ?????????? ???? ???????
7. ??? ??? ????? ???????? ??? ?????????? ?????????? ????????? 150 ?????? ??????? 70 ?????? ???????? ?? ???????? 4 ????? ???????? ????? ???????? ??????? ????? ???????
8. ??? ??? ????? ???????? ??? ???????? ??????? 1
7、50 ??????????? ????????? ?????????? 140 ?????????? ?????? ?????? ?? ???????? ???????? ????????? ??????
9. ??? ??? ???? ???????? ????? ????????? 15 ?????????? ?????? ????????? ??? ??? ??????? ??????? ????? ?? ???? ???????? ????????? 18 ?????????? ?????? ??? ??? ??? ??????? ??????? ????? ?????? ??
8、??? ??? ???????? ??????? ????? ???????
10. ??????? ????? ??? ???????? ????????? 20 ??????????? ??????? 10 ?????????? ?????? ??? ??? ??? ??????? ???????? ????? ?? ??? ???????? ??? ????????? ???????? ????? ?????? ?????????? ????? ????????? ????? ?????? ??????
11. ??????? ????? ??? ???????? ?????
9、 ????????? 17 ?????????? ?????? ??? ????????? ???????? ????? ?? ??? ???????? ????????? 14 ?????????? ?????? ??? ??? ??? ??????? ???????? ????? ?????? ?? ??? ??? ???????? ??????? ????? ?????? ??????
12. ??? ????? ??? ????? ??????? ???????? ???? ??? ????? ????????? ????? (????????????)? ??????-??
10、???? ????? ?????? ???????? ???????? ????????? ??????. ???????? ????? ??????? ?????? ???????? ????????? ??????
13. ????????? 20 ?????? ??????? 6 ????? ?????? ??? ????? ??????????? ????????? ????? ????? (????? ???????? ??? ?????? ????????????)? ????? ????? ?????????? ???? ???????
14. ??? ??? ???
11、 ???????? ??? ??? ?????? ??? ??????? ???????????? ?? ??????? ( ) ?? ????? ????????? ??????. ???????: ????????? 8 ??????????? ??????? 6 ?????????? ?????? ??? ??? ???????? ??? ??? ??? ??????? ???????????? ?? ?????????? ???????? ????????? ????? ??????? ????? ?????? ???????? ???????? ????????? ??
12、??? ???????
15. ???????? ?????? ????? ??? ??? ??????? ?????????????? ( ) ??? ?????? ???? ????????? ??? ??? ???????? ???????? ????????? 7 ??????????? ??????? 5 ?????????? ?????? ?????????? ???????? ???????? ???????? ????????? ??????-?????? ????? ??????? ( ??????? ?????).
16. ????????? 1
13、0 ??????????? ??????? 5 ?????????? ?????? ????? ??? ??? ??????? ??????????? ???? ??? ??? ????? ???? ??????? ????? ???????? ?? ????? ???????? ???????? ???????? ???????????? ??????-?????? ????? ????? ??????? (??????? ?????).
17. ??? ??? ????? ??? ??? ???? ????? ????????? 9 ?????????? ?????? ???????
14、?? ???????? ??? ??????. ????? ?? ????? ??? ????? ????????? 7 ??????????? ??????? 5 ?????????? ?????? ??? ??? ????? ????????? ???? ???????? ??? ????? ???????
18. ??? ??? ??? ???????? ????????? 12 ??????????? ????????? ?????????? 2 ???????? ??? ?????? ?? ??? ??? ???????? ???????? ????????? ??????
19. ??????? ???????? ??? ????? ????????? ?????????? 120 ????? ?????? ????? ????? ????????? ????? ??????