3×+12.5+1/2×+1/2=234
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3×+12.5+1/2×+1/2=2343×+12.5+1/2×+1/2=2343×+12.5+1/2×+1/2=234X=442/7
3×+12.5+1/2×+1/2=234
3×+12.5+1/2×+1/2=234
3×+12.5+1/2×+1/2=234
X=442/7
3×+12.5+1/2×+1/2=234
1#4=1234,2#3=234,7#2=78,那么4#5=?
24.8*(1+12.5%)*X*2/3 + 16*(1+12.5%)*X/2 = 552求解,详细的
若规定 1*2=12,2*3=234,那么4*5=?
1※2=12 2※3=234 求4※5
计算log3[(9^2 * 27^(1/3))/3^(log3 234)]
1△4=1234,2△3=234,3△2=34,那么4△5=?
1#4=1234 2#3=234 7#2=78 那么4#5=多少?
1/8+0.125*0.5+1/2*12.5%=
方程1/3(2x+1)平方-12=0 2(0.2x+3)平方=12.5
解方程25(1-2x)=12.5+12.5(1-4x)
(48%+2)x=12.4 15%/(x+1)=12.5%
还要有算式,最好有详细说明.62×34+38×20+38×14〔4125×(1+2+3+……+100)〕÷〔33*(1+2+3……+100)〕(234+234+234+234+234+234)/(18+18+18+18+18+18)(100个459)/(100个51)
如果,1★4=1234,2★3=234,7★2=78,那么4★5= .
小学试卷里1※4=1234,2※3=234,7※2=78,那么4※5=等于多少?
2分之1x乘10乘12.5%+24x乘(1-3分之1)乘12.5%=450.这个方程怎么解
解方程 6分之1x-12.5%乘7=3分之2
0.125*4分之3+2分之1*0.25+12.5%简便