Matematika

Pertanyaan

jadikan di bawah ini dalam bentuk sifat komutatif 1 sampai dengan 12
1.) 3+5=5+..... 5.) (-6)+1=1+...=...
2.) 8+6=6+... 6.) (-5)+2=2+...=...
3.) 10+2=2+.... 7.) 7*5=5*....=...
4.)5+(-2)=(-2)+... 8.) 8*10=10*...=...
9.) 7*12=...*7=... 10.) 24*3=3*...=...
11.) 5*(-6)= (-6)*...=...
12.) (-4)*(-3)=(-3)* ...=...

sifat Asosiatif
1.) 2+(4+7)= (2+4+...=...

2.)6+(3+8)= (6+3)+... =...

3.) 10+(1+9)=(10+1)+...=...
4.) -3+(2+(-4))= (-3+2)+...=...
5.) 3*(1*7)=(3* 1)*...=...
6.) 4*(2*9)= (4*2)*...=...
7.)-6*(3*4)=(-6*3)*...=...
8.)4*(-2*1)=(4*(-2))*...=...

sifat ditributif
1.)2*(5+3)=(2*5)+(2*...)=...
2.) 4*(6+2)=(4*6)+(4*...)=...
3.) 8*(4-1)= (8*4)-(8*...)=...
4.)-2*(4+3) = (-2*4)+(-2*...)=...

tentukan FPB

1.)24 dan 32 2.)24 dan 36
3.) 27 dan 81 4.)30 dan 40
5.)36 dan 40 6.)42 dan 48
7.) 27 dan 45 8.) 72 dan 80
9.) 27,45, dan 81
10.) 18,32,dan 36
11.) 30,35 dan 40
12.) 50,60,dan 70

tentukan KPK
1.) 10 dan 12 2.)15 dan 20
3.) 16 dan 24 4.) 18 dan 30
5.) 25 dan 45 6.) 32 dan 48
7.)18,32.dan 36


1.) tulislah 3 bilangan kubik antara 100 dan 500
2.a panjang rusuk kubus =2 cm
b. volume= (....*.....*.....) cm3
= ...... cm 3

1.)
[tex] {4}^{3 - {3}^{2} } [/tex]


1 Jawaban

  • 1) 3 + 5 = 5 + 3
    2) 8 + 6 = 6 + 8
    3) 10 + 2 = 2 + 10
    4) 5 + (-2) = (-2) + 5
    5) (-6) + 1 = 1 + (-6)
    6) (-5) + 2 = 2 + (-5)
    7) 7 × 5 = 5 × 7
    8) 8 × 10 = 10 × 8
    9) 7 × 12 = 12 × 7
    10) 24 × 3 = 3 × 24
    11) 5 × (-6) = (-6) × 5
    12) (-4) × (-3) = (-3) × (-4)

    1) 2 + (4 + 7) = (2 + 4) + 7
    2) 6 + (3 + 8) = (6 + 3) + 8
    3) 10 + (1 + 9) = (10 + 1) + 9
    4) - 3 + (2 + 4) = (-3 + 2) + 4
    5) 3 × (1 × 7) = (3 × 1 ) × 7
    6) 4 × (2 × 9) = (4 × 2) × 9
    7) -6 × (3 × 4) = (-6 × 3) × 4
    8) 4 × (-2) × 1 = (4 × -2 ) × 1

    1) 2 × (5 + 3) = (2 × 5) + (2 × 3)
    2) 4 × (6 + 2) = (4 × 6) + (4 × 2)
    3) 8 × (4 - 1) = (8 × 4) - (8 × 1)
    4) - 2 × (4 + 3) = (-2 × 4) + (-2 × 3)

    1) 24 = 2³ × 3
    32 = 2^5
    FPB = 2³ = 8
    2) 24 = 2³ × 3
    36 = 2² × 3²
    FPB = 2² × 3 = 12
    3) 27 = 3³
    81 = 3⁴
    FPB = 3³ = 27
    4) 30 = 2 × 3 × 5
    40 = 2³ × 5
    FPB = 2 × 5 = 10
    5) 36 = 2² × 3²
    40 = 2³ × 5
    FPB = 2² = 4
    6) 42 = 2 × 3 × 7
    48 = 2⁴ × 3
    FPB = 2 × 3 = 6
    7) 27 = 3³
    45 = 3² × 5
    FPB = 3² = 9
    8) 72 = 2³ × 3²
    80 = 2⁴ × 5
    FPB = 2³ = 8
    9) 27 = 3³
    45 = 3² × 5
    81 = 3⁴
    FPB = 3² = 9
    10) 18 = 2 × 3²
    32 = 2^5
    36 = 2² × 3²
    FPB = 2
    11) 30 = 2 × 3 × 5
    35 = 5 × 7
    40 = 2³ × 5
    FPB = 5
    12) 50 = 2 × 5²
    60 = 2² × 3 × 5
    70 = 2 × 5 × 7
    FPB = 2 × 5 = 10

    1) 10 = 2 × 5
    12 = 2² × 3
    kpk = 2² × 3 × 5 = 60
    2) 15 = 3 × 5
    20 = 2² × 5
    kpk = 2² × 3 × 5 = 60
    3) 16 = 2⁴
    24 = 2³ × 3
    kpk = 2⁴ × 3 = 48
    4) 18 = 2 × 3²
    30 = 2 × 3 × 5
    kpk = 2 × 3² × 5 = 90
    5) 25 = 5²
    45 = 3² × 5
    kpk = 3² × 5² = 225
    6) 32 = 2^5
    48 = 2⁴ × 3
    kpk = 2^5 × 3 = 96
    7) 18 = 2 × 3²
    32 = 2^5
    36 = 2² × 3²
    kpk = 2^5 × 3² = 288

    1) 125 , 216 ,343
    2) v = 2 × 2 × 2 cm³
    = 8 cm³

    1) 4³ - 3²
    = 64 - 9
    = 55

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