tentukan hasil dari A.2/15-½+3/10 B.3/7+4/21-13/14 C.4 2/5- 1 1/3+2 3/4 D.10 1/4+1 2/3 E.2,25+25%+1 1/2 secepatnya
Matematika
jennifer56
Pertanyaan
tentukan hasil dari A.2/15-½+3/10 B.3/7+4/21-13/14 C.4 2/5- 1 1/3+2 3/4 D.10 1/4+1 2/3 E.2,25+25%+1 1/2 secepatnya
1 Jawaban
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1. Jawaban alyarauf1053
A. (2/15) - (1/2) + (3/10) => (4/30) - (15/30) + (9/10) => (-11/30) + (9/30) => (-2/30) => (-1/5)
B. (3/7) + (4/21) - (13/14) => (18/42) + (8/42) - (39/42) => (26/42) - (39/42) => (-13/42)
C. 4(2/5) - (11/3) + 2(2/3) => (22/5) - (11/3) + (11/4) => (264/60) - (220/60) + (165/60) => (44/60) + (165/60) => (209/60) => 3(29/60)
D. 10(1/4) + 1(2/3) => (41/4) + (5/3) => (123/12) + (20/12) => (143/12) => 11(11/12)
E. 2,25 + 25% + 1(1/2) => 2(1/4) + (25/100) + (3/2) => (9/2) + (25/100) + (3/2) => (450/100) + (25/100) + (150/100) => (625/100) => 625%