
3/8×5/13×24-79/35怎么用简单方法计算?
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原式=(3*5*24)/(8*13)-79/35
=45/13-79/35
=(45*35-79*13)/(35*13)
=(25*63-80*13+13)/(70*6.5)
=(6300*0.25-1040+13)/455
=(1575-1027)/455
=548/455
=1又93/455
=45/13-79/35
=(45*35-79*13)/(35*13)
=(25*63-80*13+13)/(70*6.5)
=(6300*0.25-1040+13)/455
=(1575-1027)/455
=548/455
=1又93/455
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展开全部
3/8×5/13×24-79/35
=3/8×24×5/13-79/35
=9×5/13-2又9/35
=45/13-2又9/35
=3又6/13-2又9/35
=3又210/455-2又117/455
=1又93/455
=3/8×24×5/13-79/35
=9×5/13-2又9/35
=45/13-2又9/35
=3又6/13-2又9/35
=3又210/455-2又117/455
=1又93/455
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展开全部
3/8×5/13×24—79/35
=3/8×24×5/13—79/35
=9×5/13—79/35
=45/13—79/35
=1575/455—1027/455
=(1575—1027)/455
=548/455
=3/8×24×5/13—79/35
=9×5/13—79/35
=45/13—79/35
=1575/455—1027/455
=(1575—1027)/455
=548/455
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