[(-20)-(+5)]-[(-5)-(-12)]
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[(-20)-(+5)]-[(-5)-(-12)][(-20)-(+5)]-[(-5)-(-12)][(-20)-(+5)]-[(-5)-(-12)]
[(-20)-(+5)]-[(-5)-(-12)]
[(-20)-(+5)]-[(-5)-(-12)]
[(-20)-(+5)]-[(-5)-(-12)]
[(-20)-(+5)]-[(-5)-(-12)]
5:20:5的比值
5,20啥意思
5真20是什么意思
20' 5''意思
20:5 40:2
20%±5%是什么意思
5/6+5/12+5/20+5/30+5/42+5/56+5/72(简算)
5个5怎么等于20
20+5÷5,等于多少?
根号20减5除以根号5
根号5分之[根号20+根号5]
【(-20)-(+5)】-【(-5)-(-12)】初一数学题
20*5+5*555555/124562.56987等于几
|2-根号5|+根号5×根号20
2/7*20%+5/7*1/5
5,4,5,8,13,20,,40,
5/5×8+5/8×11+5/11×14+5/14×17+5/17×20+5/20×23