F.1 Maths. 10點架!

2012-09-25 2:27 am
1.(+16)+(-2)÷(-2)*(-3)
2.(-2.7)+5.4 / (+0.3)(-1)

幫下手 thank you

回答 (4)

2012-09-25 2:41 am
✔ 最佳答案
1 .(+16)+(-2)÷(-2)*(-3)
=16+(-2/2*3)
=16+(-3)
=16-3
=13
2 .(-2.7)+5.4 / (+0.3)(-1)
=-2.7+5.4/(-0.3)
=-2.7+(-5.4/0.3)
=-2.7+(-18)
=-2.7-18
=-20.7
2012-09-27 2:09 am
1.) (+16)+(-2)÷(-2)*(-3)
=16+1*(-3)
=16-3
=13
2.) (-2.7)+5.4/(+0.3)(-1)
=-2.7+5.4/-0.3
=-2.7+(-18)
=-20.7
參考: me
2012-09-25 2:37 am
1.(+16)+(-2)÷(-2)*(-3)
=16-2/6
=16-(1/3)
=15/2/3

2.(-2.7)+5.4 / (+0.3)(-1)
=-2.7+5.4/-0.3
=-2.7-18
=-20.7
2012-09-25 2:32 am
1.+13
2.-9
It is the answers about this two questions.


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