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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: Bài 2: Tính a/7^6.7^2= b/(0,25)^50.4^50= c/14^11.14^19= d/444^5/222^5= e/(0,4)^5/(0.2

Toán Lớp 7: Bài 2: Tính
a/7^6.7^2= b/(0,25)^50.4^50= c/14^11.14^19= d/444^5/222^5= e/(0,4)^5/(0.2)^6= f/2^33.27^5/3^14.8^11

Comments ( 1 )

  1. Giải đáp:
     a 7^6 . 7^2 = 7^6+2
                         =7^8
    b (0.25)^50.4^50 =(0.25.4)^50
                                 =1^50 =1
    c 14^11 . 14^19 =14^11+19
                               =14^30
    d 444^5/222^5= 32
    e (0,4)^5/(0,2)^6= 160
      
     

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222-9+11+12:2*14+14 = ? ( )

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