问题
解答题
计算:①-24-6÷(-2)×|-
②(
|
答案
①-24-6÷(-2)×|-
|1 3
=-16 -6×(-
)×1 2 1 3
=-16 +6×
×1 2 1 3
=-16+1
=-15
②(
-7 9
+5 6
)×18+(-4)2÷(-8)7 18
=
×18+16×(-14-15+7 18
)1 8
=
×18-21 3
=6-2
=4
计算:①-24-6÷(-2)×|-
②(
|
①-24-6÷(-2)×|-
|1 3
=-16 -6×(-
)×1 2 1 3
=-16 +6×
×1 2 1 3
=-16+1
=-15
②(
-7 9
+5 6
)×18+(-4)2÷(-8)7 18
=
×18+16×(-14-15+7 18
)1 8
=
×18-21 3
=6-2
=4