8:24= 3/4:9/16= 0.25:1= 0.8:0.4=
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8:24=3/4:9/16=0.25:1=0.8:0.4=8:24=3/4:9/16=0.25:1=0.8:0.4=8:24=3/4:9/16=0.25:1=0.8:0.4=8:24=1:3,3/4:
8:24= 3/4:9/16= 0.25:1= 0.8:0.4=
8:24= 3/4:9/16= 0.25:1= 0.8:0.4=
8:24= 3/4:9/16= 0.25:1= 0.8:0.4=
8:24=1:3,
3/4:9/16=4/3;
0.25:1=1/4;
0.8:0.4=2
3
8:24= 3/4:9/16= 0.25:1= 0.8:0.4=
3:()=4/16=0.25=()/24=()%
8/9*[3/4+(7/16-0.25)]
8/9*[0.75-(5/16+0.25)]=
0.25=4分之1=25%=2/8=( )/16=3:12
4/3*9/8*16/15*25/24*……*9801/9800*10000/9999=?
25:35= 6分之5:9分之4= 1.25:1= 8分之3:0.25= 16:把这些比化成最简单的整数比
8/9*「3/4-(7/16-0.25)」
求比值 3/14:7/9 6/25:2/5 3/8:0.25 3:3/103:()=()÷24=0.25=36/()=()%
把比例式改成等积式.2:3 = 3:4.5( ) 3/5:1/5 = 3/7:1/7( )1/2:1/4 = 1/4:1/8( ) 4:6 = 12:18( )0.25:0.5 = 24:48( ) 3/8 = 9/24( )1.25/0.25 = 4/0.8( ) 0.4/25 = 1.2/75
(0.25)^(-2)+8^(2/3)-(1/16)^9-0.75)-lg25-2lg2=?
7:8=24:( )3:( )=9:4
8/( )=():4=0.25=3/()=()%=成数/( )
3²-1²=8=8×1 5²-3²=16=8×2 7²-5²=24=8×3 9²-7²=32=8×4
24/4+6*0.25=
3²-1=8=8*1,5²-3²=16=8*2,7²-5²=24=8*3,9²-7²=32=8*4……3²-1=8=8*1,5²-3²=16=8*2,7²-5²=24=8*3,9²-7²=32=8*4 用n的式子表示
0.375=3+( )/8+163除以8=3/8=9:24=6/16=0.375=3+( )/8+16
1+2=3=1*3 4+4=8=2*4 9+6=15=3*5 16+8=24=4*6 用含n的式子表示其规律