问题
解答题
计算: ①(
②-22-(-2)2+(-3)2×(-
|
答案
①原式=
×(-24)+(-1 6
)×(-24)+1 8
×(-24)1 12
=-4+3-2
=-3;
②原式=-4-4+9×(-
)-16÷42 3
=-8-6-4
=-18.
计算: ①(
②-22-(-2)2+(-3)2×(-
|
①原式=
×(-24)+(-1 6
)×(-24)+1 8
×(-24)1 12
=-4+3-2
=-3;
②原式=-4-4+9×(-
)-16÷42 3
=-8-6-4
=-18.