2026年暑假生活安徽科学技术出版社三年级综合全一册通用版第51页答案
1. 口算。
72 - 46 + 28 =
51 - (28 + 17) =
4 × 7 + 32 =
21 - 14 ÷ 7 =
81 ÷ (3 × 3) =
42 ÷ 7 × 6 =
34 - (55 - 27) =
24 + 56 ÷ 8 =
95 - 25 ÷ 5 =

答案

72 - 46 + 28 = 54
51 - (28 + 17) = 6
4 × 7 + 32 = 60
21 - 14 ÷ 7 = 19
81 ÷ (3 × 3) = 9
42 ÷ 7 × 6 = 36
34 - (55 - 27) = 6
24 + 56 ÷ 8 = 31
95 - 25 ÷ 5 = 90
2. 脱式计算。
46 - 19 + 22
6 × 9 - 35
42 - 40 ÷ 8
(80 - 56) ÷ 4
三年级
(20 + 28) ÷ 8
16 × (91 - 88)

答案

49 19 37 6 6 48