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1/4 bagian=1/4×9/2
=9/8
=1 1/8 kg
2. 6/7:0,8=6/7:4/5
=6/7×5/4
=30/28
=1 2/28
=1 1/14
3. 3 1/4×9/10=13/4×9/10
=117/40
=2 37/40
2. 6/7 x 10/8 = 60/56
3. 13/4 x 9/10 = 117/40