Matematika

Pertanyaan

please di jawab. yang jawab smoga di rahmati allah amiin.
pakai Caranya jangan asal asalan
please di jawab. yang jawab smoga di rahmati allah amiin. pakai Caranya jangan asal asalan

1 Jawaban

  • 1)5 3/20+17/25+130persen=5 3/20+17/25+1 30/100=6 15+68+30/100=6 113/100=7 13/100
    2)3,8+6 23/50+18/20=3 8/10+6 23/50+18/25=9 40+23+36/50=9 99/50=10 49/50
    3)534persen-3 11/20-21/50=5 34/100-3 11/20-21/50=2 34-55-42/100=1 134-55-42/100=1 37/100
    4)8 7/10-3,6-37/60=8 7/10-3 6/10-37/60=5 42-36-37/60=4 102-36-37/60=4 79/60=5 19/60
    5)7/8×2,5×4 3/5=7/8×25/10×23/5=4025/400=1 0 25/400=10 1/16
    6)22persen×9/10×6/9=22/100×9/10×6/9=172/1000=43/250
    7)7/10:8,2:4 3/5=7/10:82/10:23/5=7/10×10/82×5/23=35/1886
    8)20persen:17/20:6 5/8=20/100:17/20:53/8=20/100×20/17×8/53=320/901
    9)800persen:3 2/5+6 9/10-0,7=800/100:17/5+6 9/10-7/10=800/100×5/17+6 8/10-7/10=4000/340+6 9/10-7/10=6 4000+306+238/340=6 3456/340=6 85/864
    10)3 2/5-6/10÷2,4:30persen=3 2/5-6/10×24/10:30/100=3 2/5-6/10×24/10×100/30=3 2/5-144/30=102-144/30