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

Toán Lớp 6: (-1)+3+(-5)+7+…+(-59)+60+x=600 Giúp em vs em cần gấp!

Toán Lớp 6: (-1)+3+(-5)+7+…+(-59)+60+x=600
Giúp em vs em cần gấp!

Comments ( 1 )

  1. (-1)+3+(-5)+7+…+(-59)+60+x=600
    2+2+2+2+2+2+2+2+2+…+2+1+x=600
    30+1+x=600
    31+x=600
    x=600-31
    x=569

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

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