jawab pake cara ya (pecahan desimal nya harus di jadiin pecahan biasa!!!!!)
Jawaban:
3. 1/4
4. 42/625
Penjelasan dengan langkah-langkah:
no. 3
= ( 126/100 + 5/8) x ( 6/10 - 2/5 )
= ( 125+125/200 ) x ( 6-4/10 )
= ( 250/200 ) x ( 2/10 )
= 500/2000 = 1/4
no. 4
= 3/5 + 24/100 + 3/10
= 42/625
CARA JAWABAN
3.)
(1,25 + 5/8) x (0,6 - 2/5)
(125/100 + 5/8) x (6/10 - 2/5)
(5 + 5/8) x (6/10 - 4/10)
(10+5)/8 x 2/10
15/8 x 2/10
30/80 = 3/8
4.)
3/5 + 0,24 x (3,05 - 2 3/4)
3/5 + 0,24 x (305/100 - 11/4)
3/5 + 0,24 x (61/20 - 11/4)
3/5 + 0,24 x ((61 - 55)/20)
3/5 + 0,24 x 6/20
3/5 + 24/100 x 3/10
3/5 + 6/25 x 3/10
3/5 + 18/250
3/5 + 9/125
75/125 + 9/125
84/125
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