一條有向數的題目(急!!!!!!!!!!)

👨🏻‍🏫 學術台數學

[匿名]

2010-09-17 1:06 am

(-8)-(+3)(-2)-(-4)(+5)

唔識計,希望有人幫忙(連步驟)Thank You

回答 (3)

匿名

2010-09-17 1:12 am

✔ 最佳答案

(-8)-(+3)(-2)-(-4)(+5)
= (-8) - (-6) - (-20)
= -8+6+20
= -2+20
= 18

參考: Hope the solution can help you^^”

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[匿名]

2010-09-17 1:17 am

(-8)-(+3)(-2)-(-4)(+5) （先乘除後加減）！（先做乘）即係(+3)(-2) 之後做(-4)(+5)

(-8)-(+3)(-2)-(-4)(+5)
=(-8)-(-6)-(-20)
=-8+6+20
=-2+20
=18

希望幫到你！

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蔡小琳

2010-09-17 1:14 am

(-8)-(+3)(-2)-(-4)(+5)

=(-8)-(-6)-(-4)(+5)

=(-8)-(-6)-(-20)

=(-8)+6-(-20)

=(-2)+20

=+18

唔知岩唔岩, 希望可以幫到你:)~

參考: myself

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