1.Hitung pengurangan pecahan berikut A.2 2/8-1/2 ... b.5 3/4-2 2/3-1/5 2.Hitung perkalian pecahan berikut A.5/8×4/7=.... b.7/6×2 2/3=.... c.1 4/5×7/9×3 1/2=....
Matematika
Waya2512
Pertanyaan
1.Hitung pengurangan pecahan berikut
A.2 2/8-1/2 ... b.5 3/4-2 2/3-1/5
2.Hitung perkalian pecahan berikut
A.5/8×4/7=.... b.7/6×2 2/3=....
c.1 4/5×7/9×3 1/2=....
3.Hitungpembagian pecahan berikut
A.2/3:4.... b.7/6:3/4.... c.5/16:1 1/4......
d.3 1/2:1 3/4
Tolong pake cara ya
A.2 2/8-1/2 ... b.5 3/4-2 2/3-1/5
2.Hitung perkalian pecahan berikut
A.5/8×4/7=.... b.7/6×2 2/3=....
c.1 4/5×7/9×3 1/2=....
3.Hitungpembagian pecahan berikut
A.2/3:4.... b.7/6:3/4.... c.5/16:1 1/4......
d.3 1/2:1 3/4
Tolong pake cara ya
1 Jawaban
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1. Jawaban Antoni21221
1=A=2 2/8-1/2=18/8-1/2=18/8-8/18=10/8
B=5 3/4-2 2/3-1/5=23/4-8/3-1/5=345/60-180/60-12/60=153/60
2=A=5/8×4/7=20/56
B=7/6×2 2/3=7/6×8/3=56/18
C=1 4/5×7/9×3 1/2=9/5×7/9×7/2=441/90
3=A=2/3:4=2/3:4/1=3/2×4/1=12/2
B=7/6:3/4=6/7×3/4=18/28
C=5/16:1 1/4=5/16:5/4=16/5×5/4=130/20
D=3 1/2: 1 3/4=7/2:7/4=2/7×7/4=14/28
Itu jawabannya belum diperkecil!!