计算下面各题:2-1/5-1/3-4/5 0.8+5/8+0.2 15-5÷16-11/16 25×5.7-5.7×24
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![计算下面各题:2-1/5-1/3-4/5 0.8+5/8+0.2 15-5÷16-11/16 25×5.7-5.7×24](/uploads/image/z/134421-69-1.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E5%90%84%E9%A2%98%EF%BC%9A2-1%2F5-1%2F3-4%2F5+0.8%2B5%2F8%2B0.2+15-5%C3%B716-11%2F16+25%C3%975.7-5.7%C3%9724)
计算下面各题:2-1/5-1/3-4/5 0.8+5/8+0.2 15-5÷16-11/16 25×5.7-5.7×24
计算下面各题:2-1/5-1/3-4/5 0.8+5/8+0.2 15-5÷16-11/16 25×5.7-5.7×24
计算下面各题:2-1/5-1/3-4/5 0.8+5/8+0.2 15-5÷16-11/16 25×5.7-5.7×24
(1)2-1/5-1/3-4/5
=2-4/3
=2/3
(2)0.8加5/8加0.2=1加5/8=1又5/8=13/8
(3)15-5/16-11/16
=15-1
=14
(4)25×5.7-5.7×24
=(25-24)×5.7
=5.7