tolongg dijawab yahhhhh

1.300x21=6,300
2.(60-3)
=(8x60)-(8x3)=480-24=456

1.
4 × 21 × 75 = 4 × 75 × 21
.....................= 300 × 21
.....................= 6300

menggunakan sifat komutatif
(pertukaran angka)

2.

8 × 57 = 8 × (60 - 3)
.............= (8 × 60) - (8 × 3)
.............= 480 - 24
.............= 456

menggunakan sifat distributif