84:13 6:25 10:81 5:4 60:11 21:10 500:1 12:5 1:4
840:130 1.2:5又8/9:7.2 5/6:2/3 15吨:2750千克 7/8:5/12 10:0.02 0.
2个回答
相关问题
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3-{(-3)-12}= 8-(9-10)= (3-5)-(6-10)= 0-1+2-3+4-5= -4.2+5.7-8
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0.15:0.3=() 7/12:3/8=() 0.125:5/8=() 5:9=() 0.6:0.16=() 2/3:
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0.1+0.2+0.3+0.4+…+9.7+9.8= 5+5.1+5.2+5.3+…+9.7+9.8+9.9+10=
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1+2+3+4+5+6+7+8+9-0-1-2-3-4-5-6-7-8-9+0+2+0=?
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( )/2.4=3.6/1.2 7.5/( )=2.5/12 2.7/( )=3/9 1.6/ ( )=0.5/3/8
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7-3= 6+5= 8-6= 5-1= 10-6= 5+2= 7+0= 6-2= 8-2= 5+5= 7-6= 10-5
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0.15:0.3= 0.125:5/8= 5:9= 0.6:0.16= 2/3:6/7= 0.8:1/2
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0,1,2,3,4,5,6,8,9 0,2,4,6,8,10,12 1,2,3,4,5 7/2=?猜成语
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1+1+2+2+3+3+4+4+5+6+5+6+7+7+8+8+9+9+1+1+0+10
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1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+1+2+3+4+5+6+7+8+9+10+11+