08-09 second semester sixth grade mathematics examination questions answer.
Author: Education Bureau Office Article Source: Education Bureau Office hits: 169 Update time: 2009/6/2 1 9:49:0 1
fill (up) a vacancy
1, (135000000) (1400 million) 2, (6) (120) 3, (37.5) (8) (1) (/kloc-
Second, judging and calculating
1、(×)2、(√)3、(×)4、(√)5、(×)
Third, choose
1 、( B)2 、( C)3 、( A)4 、( B)5 、( C)
Fourth, calculation
1, the number is written directly.
①70 ②0.3 ③ 1/2 ④ 0. 1 ⑤ 2 ⑥ 2 ⑦ 3.46 ⑧ 59
2. The ball is unknown
①X=6 ②X=4 ③X=240 ④ X=36
3. Non-type calculation
①480 ②7 ③ 10 ④ 1
Verb (abbreviation of verb) formula calculation
1、45×2/5÷3/4=24 2、( 135— 15)÷4=30
Six,
1, (East), (1000) 2, (North) (West) (60)( 1200) 3. It is correct to draw 45 degrees 2 cm northwest or 45 degrees 2 cm southwest on the test paper.
Seven, solve practical problems
1, 800× 2× 2.52 %× (1-5%)+800 = 438.304 (yuan) Answer: .........
2. 78÷65%—78=48 yuan A: 48 yuan, ..........................
3, 18.84÷3. 14÷2=3 (m) 3÷2= 1.5 (m)
3× 3× 3.14×1.5 ÷ 3 ÷ (1.5×1.5× 3.14) = 2 (m) answer: ...................................................
4, 40÷( 1+3/5)=25 (person) 40-25 = 15 (person) A: boys 15, girls 25.
5, 1.5m = 15 (decimeter) 8÷2 =4 (decimeter)
8× 3.14×15+4× 4× 3.14× 2 = 477.28 (square decimeter) Answer: ... 477.28 square decimeter.
6, 3 ÷ (3+7) = 3/10440 ÷ (3/10-1/6) = 3300 (m) a: ..............................................................................