问题
解答题
计算:(1)
(2)
|
答案
(1)
-10
-40 90
=
-210
-310 10
=-4
;10
(2)
÷14
×6 27 2
=14×
×1 6 27 2
=3 2
.14
计算:(1)
(2)
|
(1)
-10
-40 90
=
-210
-310 10
=-4
;10
(2)
÷14
×6 27 2
=14×
×1 6 27 2
=3 2
.14