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24x5÷24x5=1÷1对不对?

24x5/12÷3/5x21/50 =2x5x5/3x21/50 =10x(5/3x21/50) =10x7/10 =7 谢谢,请采纳

(3×12×2×27÷24)-984÷24

(468+36x5)÷24 =648÷24 =27

5—(1÷5)x5 =5—1/5x5 =5—1 =4 希望帮到你 望采纳 谢谢 加油

(10+120÷24)×5=25250 满意的话请点采纳

(1)∵(x2-1)÷(x-1)=x+1,(x3-1)÷(x-1)=x2+x+1,(x4-1)÷(x-1)=x3+x2+x+1,(x5-1)÷(x-1)=x4+x3+x2+x+1,∴(xn-1)÷(x-1)=xn-1+xn-2+…+1,∴(x6-1)÷(x-1)=x5+x4+x3+x2+x+1;(2)∵(x6-1)÷(x-1)=x5+x4+x3+x2+x+1,∴x6-1=...

125十25X6 =125+150 =275 120一60÷5X5 =120-12×5 =120-60 =60 1024÷16X3 =64×3 =192 (260一144)÷24X3 =116÷24X3 =116×3÷24 =348÷24 =1435

72%*5/24+0.28/(24/5)=0.72*5/24+0.28*5/24=5/24(0.72+0.28)=5/24*1=5/24望采纳,祝学习进步,有问题欢迎提问!

(36×54-984)÷24 =(1944-984) ÷24 =960÷24 =40

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