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六年级上册数学补充习题第51到60页答案

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  数学(mathematics),是研究数量、结构、变化、空间以及信息等概念的一门学科,从某种角度看属于形式科学的一种。

 今天学习啦小编要与大家分享的就是:六年级上册数学补充习题第51到60页的答案;具体内容如下,希望能帮助到各位!

  六年级上册数学补充习题第51页答案

  1: 甲 (705+75+75+45)÷3

  =900÷3

  =300

  乙 300-75=225

  丙 225-45=180

  2: 薯片 (40-4)÷(5+1)

  =36÷6

  =6

  6+4=10

  3: 女 (29+3)÷(1+3)

  =32+4

  =8

  男 8-3=5

  六年级上册数学补充习题第52页答案

  1: 502+497+501+503+499+496+504

  =500×7+2-3+1+3-1-4+4

  =3500+2

  =3502

  2: 汽车

  224÷(3+4)

  =224÷7

  =32

  32×4=128

  3: 徒弟

  360÷(5×2+8)

  =360÷18

  =20

  师傅

  20×2=40

  10

  六年级上册数学补充习题第53页答案

  4: ⑴ 大卡车

  (25+5×2)÷(2+5)

  =35÷7

  =5

  小汽车

  5-2=3

  ⑵ 小汽车

  (25-4)÷(5+2)

  =21÷7

  =3

  大汽车

  3+2=5

  5: 小宁

  (30+2)÷2

  =32÷2

  =16

  小龙

  (30-2)÷2

  =28÷2

  =14

  6: 前排

  (700+5×20)÷(20+20)

  =800÷40

  =20

  (700-5×20)÷(20+20)

  =600÷40

  =15

  六年级上册数学补充习题第54页答案

  1: 3/8 12 1/2

  9/20 36 2/3

  2/5 1/6 1/100

  2: 5/12+2/3×3/4 3÷(5/7-3/14) (28+2/7×7/8)×1/4

  =5/12+1/2 =3÷(10/14-3/14) =(28+1/4)×1/4

  =5/12+6/12 =3÷1/2 =28×1/4+1/4×1/4

  =11/12 =6 =7又1/16

  3: (3/5+1/3)×15 7/13×4/5+6/13÷5/4

  =3/5×15+1/3×15 = 7/13×4/5+6/13×4/5

  =9+5 =4/5×(7/13+6/13)

  =14 =4/5×1

  =4/5

  (7/24-3/16)÷1/8 9/5-(2/5÷1/2+3/7)

  = (7/24-3/16)×8 = 9/5-(2/5×2+3/7)

  =7/24×8-3/16×8 =9/5-(4/5+3/7)

  =7/3-3/2 =9/5-4/5-3/7

  =5/6 =4/7

  六年级上册数学补充习题第55页答案

  4: 15×4/5÷3

  =15×4/5×1/3

  =4

  5: 3/4×1/6×400

  =50

  6: 3/10÷3/20

  =3/10×20/3

  =2

  2-3/10=17/10

  7: 3/2×1/2=3/4

  3/4+3/2

  =3/4+6/4

  =9/4

  六年级上册数学补充习题第56页答案

  1: 14 2/3 2/11

  2: 1/7×6/13+8/13×1/7 1/2÷4/5÷(2/9×3/8)

  =1/7×(6/13+8/13) =1/2×5/4×12

  = 1/7×14/13 =15/2

  =12/13

  (5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7+1/5)]

  =1/12×12/5×5/9 =3/7÷[5/7-3/7-1/5]

  =1/9 =3/7×35/3

  =5

  3: 男 45×5/9=25

  女 45-25=20

  六年级上册数学补充习题第57页答案

  1: 40×(1-5/8)

  =40×3/8

  =15

  2: 128×(1-5/8)

  =128×3/8

  =48

  3: 120×(1-1/4)

  =120×3/4

  =90

  4: 30×20×(1-7/15)

  =30×20×8/15

  =320

  六年级上册数学补充习题第58页答案

  1: ⑴ 12×(1+1/4)

  =12×5/4

  =15

  ⑵ 42×(1-2/7)

  =42×5/7

  =30

  2: 30×(1+2/5)

  =30×7/5

  =42

  六年级上册数学补充习题第59页答案

  3: 27×(1-1/9)

  =27×8/9

  =24

  4: 350×(1+1/10)

  =350×11/10

  =385

  5: 810×(1-2/9)

  =810×7/9

  =630

  6: 84×(1+3/7)

  =84×10/7

  =120

  六年级上册数学补充习题第60页答案

  1: ⑴ 5/8×1/5=1/8

  ⑵ 5/8×(1-1/5)

  =5/8×4/5

  =1/2

  2: 95×(1-3/5)

  =95×2/5

  =38

  3: ⑴ 48×(1+1/6)

  =48×7/6

  =56

  ⑵ 48×(1-5/12)

  =48×7/12

  =28

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