问题
解答题
|
答案
1498+1068÷89
=1498+12,
=1510;
132.5-18÷4.5+7.6
=132.5-4.5+7.6,
=128+7.6,
=135.6;
12×(
-5 6
)÷3 4 1 2
=12×
÷1 12
,1 2
=1÷
,1 2
=2.
|
1498+1068÷89
=1498+12,
=1510;
132.5-18÷4.5+7.6
=132.5-4.5+7.6,
=128+7.6,
=135.6;
12×(
-5 6
)÷3 4 1 2
=12×
÷1 12
,1 2
=1÷
,1 2
=2.