|
|
????????????????????,???
???
1? 15dm3=( )cm3 75mL=( )L 36m=()cm 36L=( )dm3=( )m32.3m2=( )dm2750mL=()L 320dm3=( )m31.5m3=( )cm3 2.25L=( )mL7.8dm3=( )L 550dm3=()mL
9.46cm3=( )mL 1450mL=()cm3 3500cm3=( )L0.99m3=( )dm3
2????????????? ??
???????? ? ??5??????????????6? )???????????? ? ?????????.??????????????.??? ? ????????? ?
??????????? ????????????????????????
3?????????????????????????????????????????????????????????????????????? ??????
4?????????????????????????????????????????????????????? ??
5??????????
bbb=( ) 7a=( ) 4b3=( ) aa=()
6?????????????????? ?????????????????????????? ??
7?????????????????????????????? ???
8????????????????????????????????????????????????? ?
9?????????????????????????????? ???????
10??????a?b?h??????????????????????????????
???? ???a????????????????????????? ?
11??????????acm????????? ?cm?
12????cm??????????????????????? ?cm?
13?????cm ??????????? ??????????????????m3?
14????dm?????????????????cm????????????cm3????dm3 = () cm3?
15????m?????????cm?????????? ?????????????????? ?m?
16???????dm?????????????????????????????? ?dm3?
17?????????????cm?????????????????cm??????????????????????????? ???????????? ???????????? ???????????? ???
18???????????????????????????????? ????
19????????216??????????????
20?????????????????? ??????????????????????
? ??
???????????????????????? ? ?
???????????????????????????????? ?
?????????????????????????????????? ?
???????????????? ?
????????????????? ?
?????????????????????? ?
?????????????? ?
??????????a?a> 0)?????????a3??? ?
??????????????????? ?
???????????????????????????????? ?
? ???????????? ??
????????????????????????????????????? ????????? ??? ? ?? ??? ? ? ?
???????????????????? ????????????
? ??? ?? ? ??? ? ????
??????????????????????????????????? ?
?????? ??? ?????
?????????????????????????????????????????????????????
??????????????????cm?????????????????????
??? ??? ???
? ????
1???????????????????8????6????5????????????????
2???????????????????50cm?????????????100????????????????????????????????????????????????
3??????6m??????????2cm ???????1cm3???7.8g?????????
4?????????1800m??12m???????10cm????????6cm????????????????????
5??????????????????360cm2????????????1.5cm????????????????
6??????????0.8m,?0.45m??0.3m?????????????
7???????28m??15m??1.8m?????????????????????????
8???????????8cm??100???????????????????
9??????????80????40????50????????????????
10?????50???30???2????????????????????????????????????12?????1.5?????????????
11??8???1dm??????????????????????????????????????????????????
12?????50cm ,?30cm??10cm??????????????10cm??????????????????
??????
1.????????20???????16??????????????()???????? ????????????????
2.???????????60??????( )?????????????????? ??????
3.???????0.2??????( )??????
4.??????6??,?2??,?1??,????( ).??????
5.????????36??,?????????(),????( )????? ?.
6.????10??,?6??,?3.5??,?????( )????
7.??????????42????,??2??,?????( )????
8.??????????:
17.28???=( )???( )???? 88000????=()????
3640????=()???? 9.03????=()????()????
5028????=()?????????? 4.07???=( )????
1060????=??????2.4????=? ?????
9???????????
??????250? ?????????8?? ???????150? ?????????300? ???????????3?? ????????40? ?
10.???6??????,???( )????,????( )????
11.???????36???,??6?,??3?,??( )??????? ??
??????
1?????5?,?4?,?2.5???????,??????????????
2????168??????????????????20????12????????????
3???????3?????????50????30????10????5?????????????????
4???????????2.5?,?0.4?,?25??,???????384??,??????????
5?????????60?,?60???????.??10???????,??4??????.???????????????
6??????2.5????????????????,?????????????????
7???????????????????????????8?????????4????????????
8???????????36??????????????????????????????????????
9???????????16???10???8?????????????????2????????
10??????????????6?????????2????????????????????????????????
???????1???20??
1???????????????????
2???????4????3????2??????????????????????????
3?4.07???=( )???? 1060????=? ????? 2.4????=??????3500??=??? 9.08????=( )?=( )??
4.?????????36?????????? ????????????????
5??2???4???????????????????????2?????????( )?????
6??????5??????????????????2????????( )??
7??60????????5?????4???????????????? ????
???????1???8??
1????????????????????? ( )
2?????????????????????( )
3????????????12??????1????? ( )
4?????????5??????????5?? ( )
5????6???????????????? ??
6???????????????????????? ?
7?????????????????????????? ?
8??????????????????????? ? ?
????????1???8??
1????????????????( )???????2 ?10?4?8
2????????????????3??????????()? ?3 ?9?27 ?10
3????????????????????????( ) ???? ??????
4??????????20???10???2????()???? ?200 ?400 ?520
5?3????1????????????????????????( )?18??? ??14???? ?16????
6??????4????????????()???16 ?24 ?32 ?48
7????????????????????()???????? ??????? ???
8???????????????????????()?
???????????? ?????????????????????????
???????1??????????????2.5????1.6????3?????????????????????????
2???????????????4???2???0.4????????????????????????
3???????6???????????????????????????????
4??????8?????????????3.2????1??????????????????????
5???????????8????2????6??????????720???????????
6?????20m??8m??1.6m???????????????????????2dm???????????????
7??????????2???????????????5??????????????????1.5??????????????
????????????????????????
????????????????
??????
1.????????20???????16??????????????()???????? ????????????????
2.???????????60??????( )?????????????????? ??????
3.???????0.2??????( )??????
4.??????6??,?2??,?1??,????( ).??????
5.????????36??,?????????(),????( )????? ?.
6.????10??,?6??,?5??,?????( )????
7.??????????42????,??2??,?????( )????
8.??????????:
17.28???=( )???( )???? 88000????=()????
3640????=()???? 9.03????=()????()????
5028????=()?????????? 4.07???=( )????
1060????=??????2.4????=? ?????
9.???6??????,???( )????,????( )????
10.???????36???,??6?,??3?,??( )??????? ??
?????????????
??????
1?????5?,?4?,?2.5???????,??????????????
2????168??????????????????20????12????????????
3???????????2.5?,?4??,?25??,???????384??,??????????
4?????????60?,?60???????.??10???????,??4??????.???????????????
5??????2.5????????????????,?????????????????
6???????????????????????????8?????????4????????????
7???????????36??????????????????????????????????????
8?????20???8???1.5????????????????????0.2????????????????
?????????????????
???????????????? ?? ??
?? ?????24??
1??????????? ????? ?????????? ????? ??????
2????????????12??????1?????( )
3??????500?? ??
4???????????????????5???????????1000?
????
6????????????????????????? ?? 2????????? ????? ?????????
3????????????????? ??
4?1.5?=? ??? 0.04???=??????=??? 896??=? ????? 790????=? ???? 1.2???=? ????? 5???????????
??????????60? ?? ????????8?????????4.2? ?????????1? ????????????3??? ????????40? ??6?????????5?????4?????3????????? ?????? ????
7??????6???????????????? ??? ????? ??
8???????4?????????????????????? ????????
9????????????200???????????????50 ????????????????? ?? ?????6??
1????????????????????? ()
?1?/??4?? ?????????????????????????? ?????
????ה???4??
??????6??
1????????????????( )??????
A? 2 B? 10 C? 4 D? 8
2??????????20???10???2????()???? A? 200B? 400 C ?520
3???1 m????????()????1cm?????
A?100 B?1000 C?100000 D?1000000 4????????????60?????????? ?? A?21600???? B?150???? C? 125???? 5?????????3?????????? ??????()?
A?3?B?6?C?9?
D?27?
?2?/??4??
???1??????????????????cm??16??
?2??????10??
????????34??
1???????????80???????0.7????????????????5??
?3?/?4? 2?????????20?????15??,??10????????????????5??
3????????????????8????4????6??????????????????????????4???????????????6??
4???????????????????6 dm??????????????
????????????????????6??
5?????10cm??6cm??2cm?????????15????????????????????5??
6??????????2???????????????5??????????????????1.5???????????????7??
?4?/?4?
??????????????????????
?????http://www.850500.com/news/16837.html
?????,??! |
|
发表于 2019-9-13 23:46:11