關於十道簡便計算的題目,並且攜帶正確答案

時間 2021-08-11 17:19:48

1樓:愛軍

(1)2.64×1.7-2.64×0.7

=2.64×(1.7-0.7)

=2.64×1

=2.64

(2)31.5×1.07-3.15×0.7=3.15×10.7-3.15×0.7

=3.15×(10.7-0.7)

=3.15×10

=31.5

(3)2.7×5.7-2.7+5.3×2.7=2.7×(5.7-1+5.3)

=2.7×10

=27(4)0.625÷0.125×0.8=(0.625×0.8)×8÷(0.128×8)=0.5×8÷1

=4(5)18.6×6.1+3.9×18.6=18.6×(6.1+3.9)

=18.6×10

=186

(6)1.3579+3.5791+5.7913+7.9135+9.1357

=(1+3+5+7+9)×1.1111

=25×1.1111

=27.7775

(7)52.5x2.9+5.45

=5.25x29+5.25+0.2

=5.25×(29+1)+0.2

=5.25×30+0.2

=157.5+0.3

=157.7

(8)0.92x15+0.08x15

=(0.92+0.08)×15

=1×15

=15(9)0.72×1.25×2.5

=0.9×(0.8×1.25)×2.5

=0.9×1×2.5

=2.25

(10)400.6x7-2003x0.4

=200.3x14-200.3x4

=200.3×(14-4)

=200.3×10

=2003

朋友,請及時採納正確答案,下次還可能幫到您哦,您採納正確答案,您也可以得到財富值,謝謝。

1.0.64×25×7.8+2.2

2.2÷2.5+2.5÷2

3.194-64.8÷1.8×0.9

4.36.72÷4.25×9.9

5.5180-705×6

6.24÷2.4-2.5×0.8

7.(4121+2389)÷7

8.671×15-974

9.469×12+1492

10.405×(3213-3189)

11.(25%-695%-12%)*36

12. 3/4*3/5+3/4*2/5

13. (1-1/4+8/9)/7/9

14 2/3+1/6/3/24+2/21

15 1*8/15*3/5

16 10-3/4/9/10-1/6

17 [(1/3+1/2)/5/6-1/3]/1/718 2/3/5+3/5/2+3/4

19 1/[(2-2/3/1/2)]*2/5

2樓:

第七題最後應該是:157.5+0.2不是157.5+0.3。

六年級數學,10道簡便計算題帶答案謝謝哦∩_∩

3樓:匿名使用者

我來答 檢視全部11個回答

凌月霜丶

知道合夥人教育行家 推薦於 2018-02-24(1)2.64×1.7-2.64×0.7

=2.64×(1.7-0.7)

=2.64×1

=2.64

(2)31.5×1.07-3.15×0.7=3.15×10.7-3.15×0.7

=3.15×(10.7-0.7)

=3.15×10

=31.5

(3)2.7×5.7-2.7+5.3×2.7=2.7×(5.7-1+5.3)

=2.7×10

=27(4)0.625÷0.125×0.8=(0.625×0.8)×8÷(0.128×8)=0.5×8÷1

=4(5)18.6×6.1+3.9×18.6=18.6×(6.1+3.9)

=18.6×10

=186

(6)1.3579+3.5791+5.7913+7.9135+9.1357

=(1+3+5+7+9)×1.1111

=25×1.1111

=27.7775

(7)52.5x2.9+5.45

=5.25x29+5.25+0.2

=5.25×(29+1)+0.2

=5.25×30+0.2

=157.5+0.3

=157.7

(8)0.92x15+0.08x15

=(0.92+0.08)×15

=1×15

=15(9)0.72×1.25×2.5

=0.9×(0.8×1.25)×2.5

=0.9×1×2.5

=2.25

(10)400.6x7-2003x0.4

=200.3x14-200.3x4

=200.3×(14-4)

=200.3×10

=2003

4樓:凌月霜丶

(1)2.64×1.7-2.64×0.7

=2.64×(1.7-0.7)

=2.64×1

=2.64

(2)31.5×1.07-3.15×0.7=3.15×10.7-3.15×0.7

=3.15×(10.7-0.7)

=3.15×10

=31.5

(3)2.7×5.7-2.7+5.3×2.7=2.7×(5.7-1+5.3)

=2.7×10

=27(4)0.625÷0.125×0.8=(0.625×0.8)×8÷(0.128×8)=0.5×8÷1

=4(5)18.6×6.1+3.9×18.6=18.6×(6.1+3.9)

=18.6×10

=186

(6)1.3579+3.5791+5.7913+7.9135+9.1357

=(1+3+5+7+9)×1.1111

=25×1.1111

=27.7775

(7)52.5x2.9+5.45

=5.25x29+5.25+0.2

=5.25×(29+1)+0.2

=5.25×30+0.2

=157.5+0.3

=157.7

(8)0.92x15+0.08x15

=(0.92+0.08)×15

=1×15

=15(9)0.72×1.25×2.5

=0.9×(0.8×1.25)×2.5

=0.9×1×2.5

=2.25

(10)400.6x7-2003x0.4

=200.3x14-200.3x4

=200.3×(14-4)

=200.3×10

=2003

5樓:匿名使用者

152×

3÷2=456÷2

=228

43×12×6

=516×6

3096

200+25×33

=200+825

=1025

(25+26)×48

=51×48

=2448

576-(290+107)

=576-397

=179

腦子已短缺,只有這麼多

6樓:匿名使用者

62×7.1+2.9,

=440.2+2.9,

=443.1;

4.2×0.25,

=(4+0.2)×0.25,

=4×0.25+0.2×0.25,

=1+0.05,

=1.05;

5.2×4.3+0.8×4.3,

=(5.2+0.8)×4.3,

=6×4.3,

=25.8.

8.5+1.5÷0.25×4,

=8.5+6×4,

=8.5+24,

=32.5.

0.25×0.8+2.5%

=0.2+2.5%,

=0.225;

32×125×2.5,

=4×8×125×2.5,

=8×125×(4×2.5),

=1000×10,

=10000;

94÷(6.84×8.5-31.46÷0.55),=94÷(58.14-57.2),

=94÷0.94,

=100.

13÷0.4÷2.5,

=13÷(0.4×2.5),

=13÷1,

=13;

1.25×2.5×0.8,

=(1.25×0.8)×2.5,

=1×2.5,

=2.5;

1.5×101-1.5,

=1.5×(101-1),

=1.5×100,

=150;

4.8×101,

=4.8×100+4.8×1,

=480+4.8,

=484.8.

3.25×4.7-7.8,

=15.275-7.8,

=7.475;

0.57+0.43×0.24,

=0.57+0.1032,

=0.6732.

945÷5÷3,

=189÷3,

=63;

152×3÷2,

=456÷2,

=228;

43×12×6,

=516×6,

=3096.

200+25×33,

=200+825,

=1025;

(25+26)×48,

=51×48,

=2448.

576-(290+107),

=576-397,

=179;

649+124-556,

=773-556,

=217.

4.82-5.2÷0.8×0.6,

=4.82-6.5×0.6,

=4.82-3.9,

=0.92.

我這兒有哦,這麼多,不知道你夠不夠

7樓:新野旁觀者

1.3/7 × 49/9 - 4/3

2.8/9 × 15/36 + 1/27

3.12× 5/6 – 2/9 ×3

4.8× 5/4 + 1/4

5.6÷ 3/8 – 3/8 ÷6

6.4/7 × 5/9 + 3/7 × 5/97.5/2 -( 3/2 + 4/5 )

8.7/8 + ( 1/8 + 1/9 )9.9 × 5/6 + 5/6

10.3/4 × 8/9 - 1/3

11.7 × 5/49 + 3/14

12.6 ×( 1/2 + 2/3 )

13.8 × 4/5 + 8 × 11/514.31 × 5/6 – 5/6

15.9/7 - ( 2/7 – 10/21 )16.5/9 × 18 – 14 × 2/717.

4/5 × 25/16 + 2/3 × 3/418.14 × 8/7 – 5/6 × 12/1519.17/32 – 3/4 × 9/2420.

3 × 2/9 + 1/3

21.5/7 × 3/25 + 3/7

22.3/14 ×× 2/3 + 1/6

23.1/5 × 2/3 + 5/6

24.9/22 + 1/11 ÷ 1/2

25.5/3 × 11/5 + 4/3

26.45 × 2/3 + 1/3 × 1527.7/19 + 12/19 × 5/628.1/4 + 3/4 ÷ 2/3

29.8/7 × 21/16 + 1/2

30.101 × 1/5 – 1/5 × 21

8樓:星辰

一年級數學十道簡便計算時這個六年級的數學也是說簡單也簡單說難也很難現在的孩子的質量越來越提高了

9樓:匿名使用者

題目:62.1x6+5x62.1-62.1答案:=62.1x(6+5-1)

=62.1×10

=621

10樓:豔陽天

第四題的0.128×8不等於1因該是0.125×8

11樓:匿名使用者

47x29十47x71

=47x(29+71)

=47x100

=4700

92x99+92

=(99+1)x92

=100x92

=9200

210x23

=(200+1)x23

=200x23+23x1

=4600+23

=4623

初中十道計算題帶答案不要方程(數學)

2.5 3.25除以負2乘以 2.7 夢蝶璐露 20 3 9 2x 5 23 7 1 21 5 x3 30 20 5 6 x 1 2 12 x 1 2 8 x 5 30 7 x 2 1 8 20 2 x 1 5 x3 50 8 x 6 1 3 56 1 5 1 20 3x1 2 7 22 1 2 5...

二十道簡便運算題再加正確的答案,20道帶答案的簡便運算題。

我看的是你看我 1 66x 17y 3967 25x y 1200 答案 x 48 y 4 2 18x 23y 2303 74x y 1998 答案 x 27 y 79 3 44x 90y 7796 44x y 3476 答案 x 79 y 48 4 76x 66y 4082 30x y 2940 ...

900 200的簡便計算並驗算,920 30豎式計算並驗算?

越答越離譜 900 200的簡便計算並驗算 900 200 900 100 200 100 9 2 4.5 驗算 200x4.5 900 擴充套件資料簡算方法 利用公式法 1 加法 交換律,a b b a 結合律,a b c a b c 2 減法運算性質 a b c a b c,a b c a b ...