1-4/5÷5/9+13.8-13÷5/9=1-0.8*1.8+13.8-13*1.8=1-1.44+13.8-23.4=-10.04
1-4/5÷5/9+13.8-13÷5/9=
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相关问题
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40÷(6/5÷3/8) 3/4*4/5÷3/4*5/4 45*4/9+45*3/9 8/13÷7+1/7*2/13 2
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6-2 3 5 = 18 9 13 ÷9= 5.6× 4 7 = 1 3 + 1 6 = 8÷ 4 7 = 4 5 ÷0
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解答:35/36÷7*(4/15÷3/5) 8/13÷7+1/7*6/13 11/13÷[(5/8+3/4)÷5/8]
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简便1/7×9/13÷5/14÷3/13
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45÷18/25 13/20÷39 1/2÷8/9÷3/4 5/6÷
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1 8/13÷7+1/7×6/13 2 2-6/13÷9/29-2/3 3 5/12×(5/6+3/4)+4/5
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① 15 16 ÷ 3 8 ÷ 5 6 ② 9 13 ÷ 15 26 × 5 6 ③ 3 5 ÷3+ 1 3 × 4 5
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直接写得数. 1.8÷0.18=13÷80=45÷1.25÷8=9-[8/17]-[9/17]=[3/4]×[5/9]=