下面各题能简算的要简算.48×(712+13)÷2323-89×34÷1275÷[(23+15)×113].-数学
题文
下面各题能简算的要简算. 48×(
23-
5÷[(
|
答案
(1)48×(
=48×(
=48×
=42+24, =66; (2)23-
=23-
=23-18, =5; (3)5÷[(
=5÷[
|
题文
下面各题能简算的要简算. 48×(
23-
5÷[(
|
答案
(1)48×(
=48×(
=48×
=42+24, =66; (2)23-
=23-
=23-18, =5; (3)5÷[(
=5÷[
|