Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

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

Toán Lớp 6: Bỏ dấu ngoặc và tính A) + (2) + (+3) B) (-3) + (+7) c) -4 – (+7) D) (-9) – (-13) e) 0 – (-22) f) – (-5) + (-12)

Toán Lớp 6: Bỏ dấu ngoặc và tính
A) + (2) + (+3) B) (-3) + (+7) c) -4 – (+7)
D) (-9) – (-13) e) 0 – (-22) f) – (-5) + (-12)
Thưac tiền nên tặng các bạn câu hỏi

Comments ( 2 )

  1. $\text{a/ +(2) + (+3) }$ $\\$ $\text{= 2 + 3}$ $\\$ $\text{= 5}$ $\\$ $\text{b/ (-3) + (+7) }$ $\\$ $\text{= -3 + 7}$ $\\$ $\text{= 4}$ $\\$ $\text{c/ -4 – (+7) }$ $\\$ $\text{= -4 – 7}$ $\\$ $\text{= -11}$ $\\$ $\text{d/ (-9) – (-13) }$ $\\$ $\text{= -9 + 13}$ $\\$ $\text{4}$ $\\$ $\text{e/ e) 0 – (-22) }$ $\\$ $\text{0 + 22}$ $\\$ $\text{22}$ $\\$ $\text{f/ – (-5) + (-12) }$ $\\$ $\text{= 5 – 12}$ $\\$ $\text{-7}$ $\\$
     
     

  2. a)+(2)+(+3)
    =2+3=5
    b)(-3)+(+7)
    =-3+7
    =4
    c)-4-(+7)
    =-4-7
    =-11
    d)(-9)-(-13)
    =-9+13
    =4
    e)0-(-22)
    =0+22
    =22
    f)-(-5)+(-12)
    =5-12
    =-7

Leave a reply

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