Quqiz pagi[1/2]85² – 67² + 2.000 = …(20-12)! + 7! = …nt : bangun dah jam 05.00
Jawaban:
85² – 67² + 2.000 = …
(85×85) – (67×67) + 2.000
7.225 – 4.489 + 2.000
2.736 + 2.000
= 4.736
(20-12)! + 7! = …
8! + 7!
(8×7×6×5×4×3×2×1) + (7×6×5×4×3×2×1)
(56×30×12×2) + (42×20×6)
(1680×24) + (840×6)
40.320 + 5.040
= 45.360
Penjelasan dengan langkah-langkah:
85² – 67² + 2.000
( 85 x 85 ) – ( 67 x 67 ) + 2.000
7.225 – 4.489 + 2.000
2.736 + 2.000
4.736
(20-12)! + 7! = …
8! + 7!
8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 + 7 x 6 x 5 x 4 x 3 x 2 x 1
56 x 6 x 5 x 4 x 3 x 2 x 1 + 42 x 5 x 4 x 3 x 2 x 1
336 x 5 x 4 x 3 x 2 x 1 + 210 x 4 x 3 x 2 x 1
1.680 x 4 x 3 x 2 x 1 + 840 x 3 x 2 x 1
6.720 x 3 x 2 x 1 + 2.520 x 2 x 1
20.160 x 2 x 1 + 5.040 x 1
40.320 x 1 + 5.040
40.320 + 5.040
45.360