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

Toán Lớp 6: a.132-[116-(132-128)^2] b.{[261-(36-31)^3.2]-9}.1001 c.303-3.[655-(18:2+1).4^3+5]:10^0

Toán Lớp 6: a.132-[116-(132-128)^2]
b.{[261-(36-31)^3.2]-9}.1001
c.303-3.[655-(18:2+1).4^3+5]:10^0

Comments ( 2 )

  1. Giải đáp:
    a) 32       b) 2002       c) 243
    Lời giải và giải thích chi tiết:
    a) 132-[116-(132-128)^2]
    =132-(116-4^2)
    =132-116+16
    =132-100
    =32
    b) {[261-(36-31)^3*2]-9}*1001
    =(261-5^3*2-9)*1001
    =(261-125*2-9)*1001
    =(261-250-9)*1001
    =2*1001
    =2002
    c) 303-3*[655-(18:2+1)*4^3+5]:10^0
    =303-3*(655+5-10*64):1
    =303-3*(660-640)
    =303-3*20
    =303-60
    =243

  2. Giải đáp + giải thích :
    a. 132-[116-(132-128)²
    = 132-[116-4²]
    = 132-[116-16]
    = 132 – 100
    = 32
    b. {[261-(36-31)³.2]-9}.1001
    = {[261-5³.2]}.1001
    = {261-125.2}.1001
    = 272.1001
    = 272 272
    c. 303-3.[655-(18:2+1).4³+5]:10$x^{0}$
    =  300.[655-(9+1).64+5]:1
    = 300.[655-10.64+5]
    = 300.[655-640+5)
    = 300.[15+5]
    = 300.60
    = 360
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222-9+11+12:2*14+14 = ? ( )