题目内容
计算和化简:
(1)-6-(-9)+(-22)-
(2)[(-1)2010-(
)×24]÷
(3)
(-6)
(4)a-2(2a+b)+3(a-b)
(1)-6-(-9)+(-22)-
(2)[(-1)2010-(
(3)
(4)a-2(2a+b)+3(a-b)
解:(1)原式=-6+9+(-4)-3
=-4
(2)原式=
=
=-1
(3)原式=(
)×(-6)
=29×(-6)+
(-6)
=-174+(
)
=
(4)原式=
=(
)+(-2b-3b)
=-5b
=-4
(2)原式=
=
=-1
(3)原式=(
=29×(-6)+
=-174+(
=
(4)原式=
=(
=-5b
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