问题
解答题
脱式计算 4×(6.5÷1.3) (
(45-5)×
1.5-
|
答案
4×(6.5÷1.3),
=4×5,
=20;
(
+3 10
)÷4 10
,7 30
=
×7 10
,30 7
=3;
(45-5)×
-10,1 2
=20-10,
=10;
1.5-
×(1.5-1.5),1 20
=1.5-0,
=1.5.
脱式计算 4×(6.5÷1.3) (
(45-5)×
1.5-
|
4×(6.5÷1.3),
=4×5,
=20;
(
+3 10
)÷4 10
,7 30
=
×7 10
,30 7
=3;
(45-5)×
-10,1 2
=20-10,
=10;
1.5-
×(1.5-1.5),1 20
=1.5-0,
=1.5.