第七单元自主检测
1: (1)B (2)B (3)C (4)A
2: (1) 320÷40+20×2 √
(2) 450÷10+20×3 √3: (1) 42×2-84÷7 (2)360÷(9+75÷25) (3)3×[180÷(13-4)]
= 84-12 = 360÷(9+3) = 3×(180÷9)
= 72 = 360÷12 = 3×20
= 30 = 60【www.ksjqmj.com--四年级练习与测试答案】
第七单元自主检测
1: (1)B (2)B (3)C (4)A
2: (1) 320÷40+20×2 √
(2) 450÷10+20×3 √3: (1) 42×2-84÷7 (2)360÷(9+75÷25) (3)3×[180÷(13-4)]
= 84-12 = 360÷(9+3) = 3×(180÷9)
= 72 = 360÷12 = 3×20
= 30 = 60看过《苏教版四年级上册数学练习与测试答案第81页》的人还看了以下文章