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列式计算(1)712与524的和乘48,积是多少?(2)21比72的56少多少?

题目详情
列式计算
(1)
7
12
5
24
的和乘48,积是多少?
(2)21比72的 
5
6
少多少?
列式计算
(1)
7
12
5
24
的和乘48,积是多少?
(2)21比72的 
5
6
少多少?

7
12
5
24
的和乘48,积是多少?
(2)21比72的 
5
6
少多少?
7
12
712771212
5
24
的和乘48,积是多少?
(2)21比72的 
5
6
少多少?
5
24
524552424
5
6
少多少?
5
6
565566
▼优质解答
答案和解析
(1)(
7
12
+
5
24
)×48
=
7
12
×48+
5
24
×48
=28+10
=38
答:积是38;

(2)72×
5
6
-21
=60-21
=39
答:21比72的 
5
6
少39.
7
12
712777121212+
5
24
)×48
=
7
12
×48+
5
24
×48
=28+10
=38
答:积是38;

(2)72×
5
6
-21
=60-21
=39
答:21比72的 
5
6
少39.
5
24
524555242424)×48
=
7
12
×48+
5
24
×48
=28+10
=38
答:积是38;

(2)72×
5
6
-21
=60-21
=39
答:21比72的 
5
6
少39.
7
12
712777121212×48+
5
24
×48
=28+10
=38
答:积是38;

(2)72×
5
6
-21
=60-21
=39
答:21比72的 
5
6
少39.
5
24
524555242424×48
=28+10
=38
答:积是38;

(2)72×
5
6
-21
=60-21
=39
答:21比72的 
5
6
少39.
5
6
56555666-21
=60-21
=39
答:21比72的 
5
6
少39.
5
6
56555666少39.