问题
解答题
耐心算一算 (1)-4+(-3)×2 (2)(
(3)-32×2-24÷(-
(4)(
|
答案
(1)原式=-4-6
=-10;
(2)原式=
×24-5 12
×24-7 8
×241 24
=10-21-1
=-12;
(3)原式=-9×2+9
=-18+9
=-9;
(4)原式=[
×(-2)]2011×(-1)+21 2
=(-1)×(-1)+2
=1+2
=3.
耐心算一算 (1)-4+(-3)×2 (2)(
(3)-32×2-24÷(-
(4)(
|
(1)原式=-4-6
=-10;
(2)原式=
×24-5 12
×24-7 8
×241 24
=10-21-1
=-12;
(3)原式=-9×2+9
=-18+9
=-9;
(4)原式=[
×(-2)]2011×(-1)+21 2
=(-1)×(-1)+2
=1+2
=3.