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六年级上册数学补充习题第51到60页答案

更新时间:2017/4/15 1:50:00  手机版

  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。
  今天答 案 网 Zq Nf.Com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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