數學計算題大全 要答案,小學六年級數學計算題大全 附答案

時間 2021-05-02 09:23:16

1樓:希望小學

0.26 + 0.35 = 0.

610.33 + 0.45 = 0.

780.4 + 0.55 = 0.

950.47 + 0.65 = 1.

120.54 + 0.75 = 1.

290.61 + 0.85 = 1.

460.68 + 0.95 = 1.

630.75 + 1.05 = 1.

80.82 + 1.15 = 1.

970.89 + 1.25 = 2.

140.96 + 1.35 = 2.

311.03 + 1.45 = 2.

481.1 + 1.55 = 2.

651.17 + 1.65 = 2.

821.24 + 1.75 = 2.

991.31 + 1.85 = 3.

161.38 + 1.95 = 3.

331.45 + 2.05 = 3.

51.52 + 2.15 = 3.

671.59 + 2.25 = 3.

841.66 + 2.35 = 4.

011.73 + 2.45 = 4.

181.8 + 2.55 = 4.

351.87 + 2.65 = 4.

521.94 + 2.75 = 4.

692.01 + 2.85 = 4.

862.33 × 1.5 = 3.

4952.4 × 2 = 4.82.

47 × 2.5 = 6.1752.

54 × 3 = 7.622.61 × 3.

5 = 9.1352.68 × 4 = 10.

722.75 × 4.5 = 12.

3752.82 × 5 = 14.12.

89 × 5.5 = 15.8952.

96 × 6 = 17.763.03 × 6.

5 = 19.6953.1 × 7 = 21.

73.17 × 7.5 = 23.

7753.24 × 8 = 25.923.

31 × 8.5 = 28.1353.

38 × 9 = 30.423.45 × 9.

5 = 32.7753.52 × 10 = 35.

23.59 × 10.5 = 37.

6953.66 × 11 = 40.263.

73 × 11.5 = 42.8953.

8 × 12 = 45.63.87 × 12.

5 = 48.3753.94 × 13 = 51.

223.25 - 2.15 = 1.

14.02 - 2.75 = 1.

274.79 - 3.35 = 1.

445.56 - 3.95 = 1.

616.33 - 4.55 = 1.

787.1 - 5.15 = 1.

957.87 - 5.75 = 2.

128.64 - 6.35 = 2.

299.41 - 6.95 = 2.

4610.18 - 7.55 = 2.

6310.95 - 8.15 = 2.

811.72 - 8.75 = 2.

9712.49 - 9.35 = 3.

1413.26 - 9.95 = 3.

3114.03 - 10.55 = 3.

4814.8 - 11.15 = 3.

6515.57 - 11.75 = 3.

8216.34 - 12.35 = 3.

9917.11 - 12.95 = 4.

1617.88 - 13.55 = 4.

3318.65 - 14.15 = 4.

519.42 - 14.75 = 4.

6720.19 - 15.35 = 4.

8420.96 - 15.95 = 5.

0121.73 - 16.55 = 5.

1822.5 - 17.15 = 5.

352.5 ÷ 0.5 = 5.

003 ÷ 1 = 3.00

3.5 ÷ 1.5 = 2.334 ÷ 2 = 2.00

4.5 ÷ 2.5 = 1.805 ÷ 3 = 1.67

5.5 ÷ 3.5 = 1.576 ÷ 4 = 1.50

6.5 ÷ 4.5 = 1.447 ÷ 5 = 1.40

7.5 ÷ 5.5 = 1.368 ÷ 6 = 1.33

8.5 ÷ 6.5 = 1.319 ÷ 7 = 1.29

9.5 ÷ 7.5 = 1.

2710 ÷ 8 = 1.2510.5 ÷ 8.

5 = 1.2411 ÷ 9 = 1.2211.

5 ÷ 9.5 = 1.2112 ÷ 10 = 1.

2012.5 ÷ 10.5 = 1.

1913 ÷ 11 = 1.1813.5 ÷ 11.

5 = 1.1714 ÷ 12 = 1.17

2樓:心碎已絕望

書是那個版的 那個年級的 具體關於什麼的題

小學六年級數學計算題大全(附答案)

100道初中數學計算題及答案

3樓:水瓶漠漠

=5*3√2-2*4√2+5√2

=√2(15-8+5)

=12√2

②√6-√3/2-√2/3

=√6-√6/2-√6/3

=√6/6

③(√45+√27)-(√4/3+√125)

=(3√5+3√3)-(2√3/3+5√5)

=-2√5+7√5/3

④(√4a-√50b)-2(√b/2+√9a)

=(2√a-5√2b)-2(√2b/2+3√a)

=-4√a-6√2b

⑤√4x*(√3x/2-√x/6)

=2√x(√6x/2-√6x/6)

=2√x*(√6x/3)

=2/3*|x|*√6

⑥(x√y-y√x)÷√xy

=x√y÷√xy-y√x÷√xy

=√x-√y

⑦(3√7+2√3)(2√3-3√7)

=(2√3)^2-(3√7)^2

=12-63

=-51

⑧(√32-3√3)(4√2+√27)

=(4√2-3√3)(4√2+3√3)

=(4√2)^2-(3√3)^2

=32-27

=5 ⑨(3√6-√4)?

=(3√6)^2-2*3√6*√4+(√4)^2

=54-12√6+4

=58-12√6

⑩(1+√2-√3)(1-√2+√3)

=[1+(√2-√3)][1-(√2-√3)]

=1-(√2-√3)^2

=1-(2+3+2√6)

=-4-2√6

(1)5√12×√18

=5*2√3*3√2

=30√6;

(2)-6√45×(-4√48)

=6*3√5*4*4√3

=288√15;

(3)√(12a)×√(3a) /4

=√(36a^2)/4

=6a/4

=3a/2.

5. x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2

=[x(y+z)-y(x-z)]^2

=(xz+yz)^2

=z^2(x+y)^2

6. 3(a+2)^2+28(a+2)-20

=[3(a+2)-2][(a+2)+10]

=(3a+4)(a+12)

7. (a+b)^2-(b-c)^2+a^2-c^2

=(a+b)^2-c^2+a^2-(b-c)^2

=(a+b+c)(a+b-c)+(a+b-c)(a-b+c)

=(a+b-c)(a+b+c+a-b+c)

=2(a+b-c)(a+c)

8. x(x+1)(x^2+x-1)-2

=(x^2+x)(x^2+x-1)-2

=(x^2+x)^2-(x^2+x)-2

=(x^2+x-2)(x^2+x+1)

=(x+2)(x-1)(x^2+x+1)

9. 9x^2(x-1)^2-3(x^2-x)-56

=9x^2(x-1)^2-3x(x-1)-56

=[3x(x-1)-8][3x(x-1)+7]

=(3x^2-3x-8)(3x^2-3x+7)

有理數練習

練習一(b級)

(一)計算題:

(1)23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.

57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.

75+(+5/4)+(-1.5)

5. x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2

=[x(y+z)-y(x-z)]^2

=(xz+yz)^2

=z^2(x+y)^2

6. 3(a+2)^2+28(a+2)-20

=[3(a+2)-2][(a+2)+10]

=(3a+4)(a+12)

7. (a+b)^2-(b-c)^2+a^2-c^2

=(a+b)^2-c^2+a^2-(b-c)^2

=(a+b+c)(a+b-c)+(a+b-c)(a-b+c)

=(a+b-c)(a+b+c+a-b+c)

=2(a+b-c)(a+c)

8. x(x+1)(x^2+x-1)-2

=(x^2+x)(x^2+x-1)-2

=(x^2+x)^2-(x^2+x)-2

=(x^2+x-2)(x^2+x+1)

=(x+2)(x-1)(x^2+x+1)

9. 9x^2(x-1)^2-3(x^2-x)-56

=9x^2(x-1)^2-3x(x-1)-56

=[3x(x-1)-8][3x(x-1)+7]

=(3x^2-3x-8)(3x^2-3x+7)

望採納~~

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