30 × 30 = ?
6!! + 5!! – 2³ = ?
Memakai cara! (wajib)
Pdhl MTK TvT
Tumben sepi ;-;
• 30 × 30
= 900
• 6!! + 5!! – 2³
= (6 × 4 × 2) + (5 × 3 × 1) – (2 × 2 × 2)
= (24 × 2) + (15 × 1) – (4 × 2)
= 48 + 15 – 8
= 63 – 8
= 55
Penyelesaian :
30 × 30
= 900
6!! + 5!! – 2³
= (6 × 4 × 2) + (5 × 3 × 1) – (2 × 2 × 2)
= (24 × 2) + (15 × 1) – (4 × 2)
= 48 + 15 – 8
= 63 – 8
= 55
