Question

Bantuin no 13-15 ,terimakasihhhh

Answer 1

1 gross : 144 buah
1 lusin :12 buah

13.) 3 gros-1gross=432-144=288
15.)9 lusin-4 lusin=108-48=60

Answer 2

Pake cara ya...

[13] 3 gros - 1 gros =  (3 x 144) - (1 x 144) = 432 - 144 = 288

[14] 8 lusin - 3 lusin = (8 x 12) - (3 x 12) = 96 - 36 = 60

[15] 9 lusin - 4 lusin = (9 x 12) - (4 x 12) = 108 - 48 = 68