tolong jawab dan pakai caranya

8) 46×45=2116
5×5=25
8×8=64. 64×25=1600. 2116-1600=156

No. 8)
= 46² - 5² × 8²
= 2.116 - 25 × 64
= 2.116 - 1.600
= 516 (C)

No. 9)
= 21³ + 15³ - 9³
= 9.261 + 3.375 - 729
= 12.636 - 729
= 11.907 (C)

No. 10)
= √1.296 × 36²
= 36 × 1.296
= 46.656 (D)

No. 11)
• 1 1/2 = 3/2 × 50/50 = 150/100 = 1,50
• 15% = 15/100 = 0,15
• 0,3
• 12/20 = 12/20 × 5/5 = 60/100 = 0,60
Urutan dr yg terbesar :
1 1/2; 12/20; 0,3; 15% (A)

No. 12)
= 1 3/5 : 4/15
= 8/5 : 4/15
= 8/5 × 15/4
= 120/20
= 6 (C)

smga membantu :)