2016?????????????

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???2016??????????????????

2016??????????????????

?1?

1???????????????????????????????????????????

2?? ?? ???

? 4410.4 2994.9 2398.9 1802.9 1400.6 998.3 894

?2?3?

1?? ?? ??15-----59???3.63??

2?? ?

? ???

3511 12

?4?5?

1??1??? 78 ????????

?2? 0.21

?3??

2??1? 5424 3012

?2? 2117

?3? ?

3? 47256 8

???

?6?7?

1?????????????????????????????

2???? 1 4 ??? 3

3??1? ?? ?? ?

?2? ? ? ?

4?2cm 2.1cm

5?2 3

6???-------? ?????

??-------? ?????

7??------??--------? ?------?

?8?9?

1?? ?? 25 31.4

? 25�(3.14�10)?785(????)

2?????

2�2=1

3.14�12x2+6.28x3

=3.14�1x2+6.28x3

=6.28+18.84

=25.12

3??? 0.067

3.14x5x8=125.6

??

40x2x3.24x20=5024

6?10�2=5

3.14x52x2+3.14x10x6

=3.14x25x2+3.14x10x6

=157+188.4

=345.4

?10?11?

1???

12�2=6

3.14x62x2+3.14x12x16

= 3.14x36x2+3.14x12x16

=226.08+602.88

=828.96

??

3.14x22x2+3.14x2x2x20

=3.14x4x2+3.14x2x2x20

=25.12+251.2

=276.32

2?20cm=0.2m

3.14x0.2x4=2.512

3? 6�2=3

3.14x32+3.14x6x1.5

=3.14x9+3.14x6x1.5

=28.26+28.26

=56.52

4?3.14x22x2+3.14x2x2x8

=3.14x4x2+3.14x2x2x8

=25.12+100.48

=125.6

5???

18�2=9

3.14x92x2

=3.14x81x2

=508.68

??

3.14x18x80=4521.6

6?31.4�2�3.14=5

3.14x52x2+31.4x31.4

=3.14x25x2+31.4x31.4

=157+985.96

=1142.96

?12?

1?? ??? ?? V=Sh

? 2.1

2???

3.14x52x9

=3.14x25x9

=706.5

??

8�2=4

3.14x42x6

=3.14x16x6

=301.44

3?0.4�2=0.2

3.14�0.2x3

= 3.14�0.04x3

=0.0942

?13?

3.14x32x10

=3.14x9x10

=282.6

3?4�2=2

3.14x22x6

=3.14x4x6

=75.36

75.36?80 ?? 4?3.14x22x2.5x550

=3.14x4x2.5x550

=17270

=17.27?

?14?15?

3.14�22x100

=3.14�4x100

=1256

3? ? 6�2=3

3.14�32x12

=3.14�9x12

= 399.12

?3.14x6x12+3.14x32x2=3.14x6x12+3.14x9x2=226.08+56.52

=282.6

4? ? 62.8�2�3.14=10

3.14x102+62.8x6

=3.14x100+62.8x6

=314+376.8

=690.8

690.8x3=2072.4

?3.14x102x6x1

=3.14x100x6x1

=1884?

5?5024�3.14�102

=5024�3.14�100

=16

6?4�2=2

3.14�22x10x1/5x3

=3.14�4x10x1/5x3

=75.36

?75

?16.17?

1?? 545? 1?3

? 7.522.5

?2

2?3.14x32x8�3

=3.14x9x8�3

=75.36

8�2=4

3.14x42x15�3

=3.14x16x15�3

=251.2

3?25.12x3�3

=25.12

4?16�2=8

3.14x82x21�3

=3.14x64x21�3

=1406.72

5?4�2=2

3.14x22x1.5�3

=3.14x4x1.5�3

=6.28

6?? 15.7�2�3.14=2.5

3.14x2.52

=3.14x6.25

=19.625

? 19.625x2.7�3=17.6625

?18?

1/3x 3.14x42x1.2x0.75

=1/3x 3.14x16x1.2x0.75

=15.072

?15.1

3?6�2=3

3.14x32x20+1/3x3.14x32x4=3.14x9x20+1/3x3.14x9x4

=565.2+37.68

???2016?????????????????????

??? 1.????????

17180 400

170 1800 4000

2.???????

600 130 300

800 24003000

120010003000

3.???

1200 300 250

4.?????????????

90x40=3600?

???1.???????

20014001200

900 600 1200

400 640 250

2.????????

??????

288 1056

3.???

924 504

4.??????????

403528 882

???

5.12x14=168?

6.(1)23x12=276??

(2)42x12=504?

7.6?

???1.???????

3251 50

28 4230

19 41 30

2.????????

3842236 1472

3.??????????

832840 4067

4.18x25=450??

???

5.(1)23x15=345?

(2)345-23=322?

6. 21x26=546? ?

7.???????????19????????????????????????????????????????????????

19x19=361?

???

1.???????

600 5258

1000 70 60

1200 45 52

2.????????

20024

40048

80072

1600 96

3.??????????

15641560 792

2340 1736 1278

???

4. 16x23=368?

5.?1?56x12=672?

?2?56x28=1568?

6.???29-5=24?

???24x2=48?

???

1.

????1000

65x26 45x36

24x42 56x45

2.

?2700?5600? 1500

=2759=5822=1536

3.?1?68x19?1400?

?2?19x4?80? ????1000 28x23 19x49

???

4.??38�39?1600???????39??????? ???39?

5. 100+16x6=196??

6.? ? ??5x25=125?

? ? ??46x12=552?

??? 125+552=677?

???1.???????

90240 400

900 2400 4000

900 2400 4000

2.????????

920 874 760

500 475570

3.???16x60=960?

????????????????????


?2016?????????????????????
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