sifaat asosiatif pada perkalian matematika hal 6 kls 4

azizi

azizi

New member
1.
5x4x7=245
(5x4)x7=5x(4x7)
20 X 7 =5x 28
245=245

2.
6x7x5=250
(6x7)x5=6x(7x5)
18 X5=6x 35
250=250

3.
8x5x6=240
(8x5)x6=8x(5x6)
40 X6=8x 30
240=240

4.
8x7x9=504
(8x7)x9=8x(7x9)
56 X9=8x 63
504=504

5.
4x9x8=288
(4x9)x8=4x(9x8)
36 X8=4x 72
288=288
 
azizi no yang salah!


1
(5x4)x7=5x(4x7)
20x7=5x28
140=140

2
6x7x5=210
(6x7)x5=6x(7x5)
42x5=6x(35)
210=210
 
(sifat distributif)
1.(5X13)+(5X27) =5X(13+27)
=5X 40
=200

2.(17X13)+(5X27) =17X(55+45)
=17X 100
=1700

3.(37X125)+(37X65) =37X(125+65)
=37X 190
=7030

4(4X15)+(4X85)=4X(15+85)
=4X 100
=400

5(21X3)+(21X17)=21X(3+17)
=21X 20
=420
 
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