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???2014????????????????
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1???2.955?????????? ?????????? ?
2??????0.1230.15?? ?151925?? ?100
3????21.3?? ??3??? ??1.7??13.6?
4??????50???????C????????? ???
5?????100???????10????7?????? ?????? ?????
6????2.984.6???? ?????2.984.6???1? ?
7??5.030.4???12.5?,?????( )
8?????????????6.3????????????? ???????? ?
9.?7.6262?7.6?7.62121?7.16243???????????? ???????? ????
???? ???????? ?
10.???????
1.043.57 ? ?3.57
3.20.01? ? 3.20.01
?????
1????????????????? ?
2?????????????? ?
3?3x?8???? ?
4???374??????? ? ?
5???5x?0.6=2.6???0.4 ? ?
6??????????????????1??? ?
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1??5.4?5.6??????? ??
A. ? B. ? C. ? D.??
2????????a?????2?????b???????? ???
A. a?2?b B. 2 a?b C. 2 a?b D. 2?a?b?
3? x=5???? ????
A. 40 x =8 B. 40?x =8 C. 40x =8 D. 40?x =8
4??????????????? ??
A. 3.5 B. 3.53 C. 3.53 D. 3.535
5????????2.4??30???????? ???
A. 12.5 B. 12 C. 13 D. 14
6?????????0.7,??????????10?,?????,??( )?
A.?? B.??????10? C.??????10? D.????
??????
1???????
0.30.2? 2.410? 4.20.7? 3.612? 7.5?0.15?
1.25? 9.1?0.7? 150.6? 0.8?0.35? 0.780.3?
2???????
0.580.25?????????? 1.573.9?????????? 4733??????????
3????????????????
130.42.5 644.5?364.5 1.252.50.8
1.5101?1.5 14.64?3.72.8 2.87.3?0.2728
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1???3????37??????????1.5?????1????????0.8??????
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2?????????????3????2.5?????1.65?????1?????????
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3.??????????680?????????????????????????15???
?????????????????????
4. ?????????????52.5????????2.5????????????????
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5. ?10?????????8.5???300??????????????
6. ????????????????1.2??????252????????????????
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??__________??_________
?????????1???20??
1?2.955?????????? ????????????
2?0.120.15?????????0.1230.15?? ?15
3?3.6+3.6+3.6+3.6+3.6=( )( )=? ????????????
4? ??2.4?7??6.8??????? ??
6?359?????? ?????????? ?????????? ?????????? ??
7?????????????6.0????????????? ???????? ??
8???????????
7.20.9?7.2 1.043.57?3.570.14
5.24?5.240.73.20.01?3.20.01
???????????1???6??
1????????????????? ? ?
2?3.5?3.50?????? ? ?
3???????????????????????????? ? ?
4?374???????? ? ?
5??a(4,3)??b?8,3??????? ? ?
6?43????????????8????5??? ? ?
????????????????????????2???10??
1?5.4?5.6??????? ???
A. ? B. ? C. ? D.??
2??3061.7????????? ??
A. 30.617 B. 3.0617 C. 306017 D. 30617
3??0.4562.1????????? ??
A. 4.5621 B. 210.0456 C. 45.60.21 D. 4560.021
4?????????????????2?3???????????????? ??
A. ?5, 3? B.?2, 6? C. ?5, 6? D. ?4?3?
5????????2.4??30???????? ???
A. 12.5 B. 12 C. 13 D. 14
?????????39??
1???????6??
0.30.2? 2.410? 4.20.7? 3.612?
1.25? 9.10.7? 150.6? 0.8?0.35?
0.780.3? 0.254? 7.50.15? 1000.74?
2???????15??
0.580.24 2124
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1.573.9 3.420.25 70.733
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3????????????18??
100.22.5 644.5?364.51.253.20.8
14.5102 14.64?3.72.88.40.210.5
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1????13.5??????11.3????????????????4.2????????????
2????6????10?????????19.8??????????1.5??????????
3?????????1.6m,????2??????????????
4???????4??????3.8??????185.44??????????????????
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??????5??3??????2?? ?17??
1?0.374.9???? ???????????? ??
2?1???? ???????2.7???? ???????
3?6.643.3???? ??????????? ??
4??34.650.25??????????????? ?????? ?? 6?9a+6a=? + ??
7?????x??????5????a???????? ??????? ????????????????
8?????2????400????????? ????1???? ????
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1???????????????????????????? ? ?
2?????2.5??????? ? ?
3????5?5.0???5.0?5??? ? ?
4?a+a=a2 ? ? ?
5?X=3???? ? ?
6?36.90.254=36.9?0.254?? ? ?
7?????????????????? ? ?
8?0.244444????0.24(?)? ? ?
???????????????????????
1????0.80.24????????????? ??
A???? B???10? C???100?
2??????????1????? ??
A?10.44 B?0.441 C?0.441
3???2.53.7+2.50.3???????? ???????
A?????? B?????? C??????
4???????5?????????????????????0.8?????????? ????
A?6 B?6.25 C?7
5?????????? ??
A?2.07 B?2.07(?) C?2.0(?)7(?) D?2.077
??????38??
1????????????????1???10???
5.40.01= 0.1250.8= 0.270.03= 1.80.3= 5000.2=0.560.4= 1.25170.8= 0.010.1= 0.3709.54=0.550.11=
2??????????2???12???
1.621.5=23.94252=
???20132014?????????????
20132014??????????????????????
?????100?????100??
???????2?4?????2??????1???20??
1?246=4?24?6?4?? ??4?6?24???? 2?3.05m =()cm10.8m2 =? ?dm2
6050cm3 =? ?dm3 2800mL =? ?L =? ?dm3 3????????????????????
VCD??????????????????????????
4? ?
??1500??
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15? ?
4????????10???21????????????
5???????????????????????????? 6???????5???????12????????______????????________??
7????2?3?5??????????? ???????????????????? ??????????? ??
8???????????2???????? ???????? ??? 9????????????????????????????6cm???5cm???4cm??????????? ?cm?????? ?cm2????????? ???????? ????????1???5?? 1.??????????????? ?
2.??2?6?12??????12?????? ? 3.????????????????? ? 4.????4????1????????????????????? ? 5.?????????500ml??? ?
????????1???5??
1.????????30?????30????????? ??
A.15 B.30 C.60
2.?0?3?4?8???????????? ?????
A.5 B.2C.3
3.??????9?????????? ?3???????????? ???
A.27?B.6? C.3?
4.????2???????????????????100??????????? ??
A?200???? B?10000???? C?2????
5?????????? ??????????
A? B? C?
???????22??
1??????0.5???4??
3.6? 4.4 = 10? 5.2 = 3.4 0.2= 7.8 6=
45=1.80.03=752.5= 0.225.4= 2??????????????????3???12?? ?3.2+4.06?6.05 26.8?1.24
3.53?3.5
70.4?3.20.8?1.2
3???????3???6?? 12.5 + 4? =21.7 13.5? - 8.5? =20
???????9??
?1????A?????????????????
?2???B????4??
?3???C?O??????180?
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1????????220????40????80????????????????????????????5??
2???????0.5????????????????0.05?????????????????????5??
3???????????8???????6???6??
?1???????????????? ?2?????????
?3???????????????????????????????
4???????????12?????????16???????????????????????5??
5????????????????????12????????5??????????????????????????????????5??
6.?????????13?????8?????6??????????????????2?????????5??
???2015?????????????????
2015??????????????????
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???????1?10=10?
1.60.8=7.20.6= 3.93.9= 1.80.8=
3.7+4.8=06.82=2.510= 16-5.7=
1.30.6+1.30.4= 9.57-1.34-3.66=
?????(????????)?4?4=16?
10.64+7.652.4+11.7612.75[14.6-(1.3+8.2)]
9.831.5+6.171.5 15.4[8(6.34-4.59)]
????2?12=24?
(1)3.45???????( )
(2)????????5.6??????35?????????
(3)??????????????????? ?????
(4)?0.66?0.0324252?7.454545????? ????????????????????????????? ??
(5)?????3.560.8????????( )8?
(6)????2.4?2.41.01 2.4?2.41.01
(7)0.851.12???????????4.82.3????????????
?????2?5=10?
?1???????????1.02????????()
?2?2.320.06????4????()
?3??????????????????????? ??
?4?0.6???6??()
?5???????????????()
????(5?2=10)
10?8.7?????4.5?1.1????????
2.7?4.5????12????????0.3??????
?????6?5=30?
?1? ?????5?????5?????????28.75????????
11.15?????????????????
?2? ??290?????4??????20???????30??????
?????
?3? ??????????????3.8???????????????
0.2??????1800???????????????
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发表于 2019-9-13 23:46:11