= 300 + 110 + 9
= 300 + 100 + 10 + 9
= 400 + 10 + 9
= 419
243 = 200 + 40 + 3
428 = 400 + 20 + 8 +
= 600 + 60 + 11
= 600 + 60 + 10 + 1
= 600 + 70 + 1
= 671
= 300 + 110 + 9
= 300 + 100 + 10 + 9
= 400 + 10 + 9
= 419
243 = 200 + 40 + 3
428 = 400 + 20 + 8 +
= 600 + 60 + 11
= 600 + 60 + 10 + 1
= 600 + 70 + 1
= 671
Editor: Al Iklas Kurnia Salam
Sumber: Buku Kemendikbud