1. 19²+18²+17² 2. 21²-13²-7² 3.24²×8²:6² Tlng jwb scptnya

1. 19 x 19 =361+18x18=324+17x17=289
= 974

2. 21x21=441-13x13=169-7x7=49
=223

3. 24x24=576x8x8=64:6x6=36
=864

semoga membantu...

1.361+324+289=974
2.441-169-49=213
3.576 kali 169 : 36=2704
maaf ya telat