六年級數學題,六年級數學,10道簡便計算題帶答案謝謝哦

時間 2022-04-08 08:45:14

1樓:獨步芙蓉岸

第一題84÷(1-25%)÷(1-20%)=84÷0.75÷0.8

=112÷0.8

=140米

第二題800÷(1/2-12%-18%)

=800÷(0.5-0.12-0.18)

=800÷0.2

=4000米

第三題80÷(45%-20%)

=80÷0.25

=320千米

第四題72÷[60%-(1-60%)]

=72÷(0.6-0.4)

=72÷0.2

=360千米

很高興為你解答,不懂請追問!滿意請採納,謝謝!

2樓:

第二天修了80%*25%=20%,剩下60%,這條公路長84/60%=140米

距離中點的佔20%,這條路長800/20%=4000米從甲地到乙地全程是80/25%=320千米貨車行了全程的40%,甲、乙兩地的距離72/20%=360千米

3樓:給你一個才怪

1. 84÷【1-20%-(1-20%)×25%】=140(m)答:這條公路長140m

2. 800÷(50%-12%-18%)=4000(m)答:這條路長4000m

3. 80÷(45%-20%)=320(km)答:從甲地到乙地全程是320km

4. 72÷【60%-(1-60%)】=360(km)答:甲乙兩地間的距離是360km

4樓:巨集哥

1) 84÷[1-20%-(1-20%)×25%]=140米2) 800÷(1/2-12%-18%)=4000米3) 80÷(45%-20%)=320千米4) 72÷[60%-(1-60%)]=360千米

5樓:匿名使用者

(1-20%)×25%=20%

1-20%-20%=60%

84÷60%=160千米

1-12%-18%=70%

70%-50%-20%

800÷20%=4000米

4000×2=8000米

45%-20%=25%

80÷25%=320千米

60%-40%=20%

72÷20%=360千米

六年級數學,10道簡便計算題帶答案謝謝哦∩_∩

6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

7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

8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

9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

10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

11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

12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

13樓:豔陽天

第四題的0.128×8不等於1因該是0.125×8

14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

15樓:匿名使用者

來個方程

x-2/7x=3/4

?解:5/7x=3/4

x=3/4×7/5

x=21/20

謝謝您

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