问题
解答题
计算: (1)-10+8÷(-2)3-(-2)2×(-3); (2)-12-[1
|
答案
(1)原式=-10+8÷(-8)-4×(-3)
=-10-1+12
=1;
(2)原式=-1-(1
-2)2×(-3 7
)27 64
=-1-
×(-16 49
)27 64
=-1+27 196
=-
.169 196
计算: (1)-10+8÷(-2)3-(-2)2×(-3); (2)-12-[1
|
(1)原式=-10+8÷(-8)-4×(-3)
=-10-1+12
=1;
(2)原式=-1-(1
-2)2×(-3 7
)27 64
=-1-
×(-16 49
)27 64
=-1+27 196
=-
.169 196