0.75/0.25=()/25 0.18/0.6=()/6 0.175/1.5=()/15 0.04/0.08=()/8
1、 4:()=25 ():0.75=0.8 ():16=0.25 2、 7/6*()=()*8/7=9/8*()=7/
(-0.75)除以0.25=?
()/8=几分之15=0.75=( )%=( )
8 :15 = 24 :( ) 0.75 :1 = ( ):4 0.2 :1.5
11.6-11.6/{9/16*3.75-(8/21+0.175)}=?
(0.25+0.75):0.6=X:(0.8*3)(解比例)
解方程组x+y=25 (1+0.18)x+(1+0.25)y=30.55
():8=15/()=()分之9=0.75=()%
0.75=6÷()=():12=15/()=()%
1、():16=18除以()=0.75=()分之()=()% 2、 ()除以15=3:()=0.6=()分之12=()%
12 ÷( )= 6 /( )= ( )/ 5 = 0.6 = ( )÷ 8 = ( )%
(-1.5+2.75)÷(-0.25)=