计算题:(1)(-12)+(+12)-(-6) (2)【(-5)-(+9)】-(-4) (3)8

问题描述:

计算题:(1)(-12)+(+12)-(-6) (2)【(-5)-(+9)】-(-4) (3)8
计算题:
(1)(-12)+(+12)-(-6)
(2)【(-5)-(+9)】-(-4)
(3)8-(9-10)
(4)(3-4)-(6-10)
只要算式,

618 9-3只要算式好吗等会儿(-12)+(+12)-(-6)
=0-(-6)
=6《(-5)-(+9)》-(-4)
=《-14》(-4)
=-108-(9-10)
=8-(-1)
=9(3-4)-(6-10)
=(-1)-(-4)
=3