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

Toán Lớp 6: 1) – ( – 437) + ( – 48) + ( – 437) + ( – 52) + 12 2) – 25 – (- 17 ) + 24 – 12

Toán Lớp 6: 1) – ( – 437) + ( – 48) + ( – 437) + ( – 52) + 12
2) – 25 – (- 17 ) + 24 – 12

Comments ( 2 )

  1. Giải đáp + Lời giải và giải thích chi tiết:
     1) $-(-437) + (-48) + (-437) + (-52) + 12$
    $= 437 – 48 – 437 – 52 + 12$
    $= 0 – 100 + 12$
    $= -100 + 12$
    $= -88$
    2) $-25 – (-17) + 24 – 12$
    $= -25 + 17 + 24 – 12$
    $=-37 + 41$
    $= 4$

  2. $\text{ @HV }$
    $\text{ a) – (-437) + (-48) + (-437) + (-52) + 12 }$
    $\text{ = 437 – 48 – 437 – 52 + 12 }$
    $\text{ = (437 – 437) + (-48 – 52) + 12 }$
    $\text{ = -100 + 12 }$
    $\text{ = -88 }$
    $\text{ b) -25 – (-17) + 24 – 12 }$
    $\text{ = -25 + 17 + 24 – 12 }$
    $\text{ = (-25 + 24) + (17 – 12) }$
    $\text{ = -1 + 5 }$
    $\text{ = 4 }$

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