BUKAN QUIZ!1. 10 × 10 – 50 = ?2. 7² = #SEDANGSADNT : BeA nya rendom
Penjelasan dengan langkah-langkah:
1. 10 × 10 – 50 = ?
2. 7² =
______________
10 × 10 – 50
(10 × 10) – 50
100 – 50
= 50
7²
(7 × 7)
= 49
10 × 10 – 50
= ( 10 × 10 ) – 50
= ( 1 × 1 )00 – 50
= 100 – 50
= 50
——————————-
7²
= 7 × 7
= 49