题目内容
如图,计算阴影部分面积下列列式正确的个数有:
(1)(1.5m+2.5m)(m+2m+2m+2m+m)-2×2.5m×2m
(2)1.5m×(m+2m+2m+2m+m)+2×2.5m×m+2.5m×2m
(3)2×(1.5m+2.5m)×m+2×1.5m×2m+(1.5m+2.5m)×2m
(4)(1.5m+2.5m)×2m+2[(1.5m+2.5m)(m+2m)-2.5m×2m]
(1)(1.5m+2.5m)(m+2m+2m+2m+m)-2×2.5m×2m
(2)1.5m×(m+2m+2m+2m+m)+2×2.5m×m+2.5m×2m
(3)2×(1.5m+2.5m)×m+2×1.5m×2m+(1.5m+2.5m)×2m
(4)(1.5m+2.5m)×2m+2[(1.5m+2.5m)(m+2m)-2.5m×2m]
[ ]
A.1个
B.2个
C.3个
D.4个
B.2个
C.3个
D.4个
D
练习册系列答案
相关题目