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

Toán Lớp 6: 12:{390:[500-(125+35.7)]} 75-(3.5 mũ 2-4. 2 mũ 3

Home/ Toán Lớp 6: 12:{390:[500-(125+35.7)]} 75-(3.5 mũ 2-4. 2 mũ 3

Toán Lớp 6: 12:{390:[500-(125+35.7)]} 75-(3.5 mũ 2-4. 2 mũ 3

Tháng Năm 29, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: 12:{390:[500-(125+35.7)]}
75-(3.5 mũ 2-4. 2 mũ 3

Comments ( 2 )

  1. bichhhathu
    bichhhathu
    29 Tháng Năm, 2022 at 8:13 chiều
    Reply
    12:{390:[500-(125+35.7)]}
    =12:{390:[500-(125+245)]}
    =12:{390:(500-370)}
    =12:(390:130)
    =12:3=4
    b,
    75-(3.5^3-4.2^3)
    =75-(3.25-4.8)
    =75-(75-32)
    =75-75+32
    =32

  2. lanhuongthu
    lanhuongthu
    29 Tháng Năm, 2022 at 8:13 chiều
    Reply
    $\text{12:{390:[500-(125+35.7)]}}$
    $\text{=12:{390:[500-370]}}$
    $\text{=12:{390:130}}$
    $\text{=12:3=4}$
    ____________________________________________
    $\text{75-(3.5²-4.2³)}$
    $\text{=75-(3.25-4.8)}$
    $\text{=75-(75-32)}$
    $\text{=75-75+32}$
    $\text{=32}$

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

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