Hitunglah 1) A. 3/7 - 2 1/2 = B. 2/7 + 3 1/6 = C. -2 2/5 x 3 1/2 = D. 3 1/4 : 1 7/8 = 2) 2 1/2 x ( 5 3/5 + 1 2/7 ) =
Matematika
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Pertanyaan
Hitunglah
1) A. 3/7 - 2 1/2 =
B. 2/7 + 3 1/6 =
C. -2 2/5 x 3 1/2 =
D. 3 1/4 : 1 7/8 =
2) 2 1/2 x ( 5 3/5 + 1 2/7 ) =
1) A. 3/7 - 2 1/2 =
B. 2/7 + 3 1/6 =
C. -2 2/5 x 3 1/2 =
D. 3 1/4 : 1 7/8 =
2) 2 1/2 x ( 5 3/5 + 1 2/7 ) =
1 Jawaban
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1. Jawaban Nuralia061
1.)a.3/7-21/2=6/14-147/14=-141/14
b.2/7+31/6=12/42+217/42=229/42
c.-22/5×31/2=-682/10=-341/5
d.31/4÷17/8=31/4×8/17=248/68
2)21/2×(53/5+12/7)=21/2×(371/35+60/35)=21/2×(431/35)=9051/70