计算题12345
2个回答
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3又5/6+2又3/8+4又5/12
=3又20/24+2又9/24+4又10/24
=3+2+4+(20/24+9/24+10/24)
=9+1又5/8
=10又5/8
(1/4-0.1÷2)×5/13+1÷1又1/12
=0.2×5/13+12/13
=1/13+12/13
=1
31.6×452+3.16×3770+361×17.1
=316*(45.2+37.7+17.1)
=316*100
=31600
33又8/11×49又61/62+28又3/11×159又61/62
=371/11×3099/62+311/11×9919/62
=1149729/682+3084809/682
=6209
=3又20/24+2又9/24+4又10/24
=3+2+4+(20/24+9/24+10/24)
=9+1又5/8
=10又5/8
(1/4-0.1÷2)×5/13+1÷1又1/12
=0.2×5/13+12/13
=1/13+12/13
=1
31.6×452+3.16×3770+361×17.1
=316*(45.2+37.7+17.1)
=316*100
=31600
33又8/11×49又61/62+28又3/11×159又61/62
=371/11×3099/62+311/11×9919/62
=1149729/682+3084809/682
=6209
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