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四则运算专项练习
四年级下册 | 含括号与0的特性
日期：____/____ 评分：________
规则：有括号先算括号，先乘除后加减
0的特性：0除以非0数得0，被减数等于减数差是0
一、口算基础 (注意0的特殊性)
(33 - 33) × 19 =
0
43 - 43 =
0
32 × 0 =
0
0 + 14 =
14
39 × 0 =
0
0 + 83 =
83
0 + 99 =
99
29 - 29 =
0
94 - 94 =
0
二、脱式计算 (注意运算顺序)
21 - (2 × 8) =
5
(1 + 6) × 9 =
63
(70 - 16) ÷ 9 =
6
(15 + 13) ÷ 7 =
4
58 - (84 ÷ 7) =
46
63 + (15 ÷ 3) =
68
(79 - 30) ÷ 7 =
7
(22 - 10) × 2 =
24
(14 - 6) ÷ 2 =
4
77 - (30 ÷ 3) =
67
77 + (15 × 3) =
122
62 - (16 ÷ 8) =
60
147 + (14 × 9) =
273
(55 - 7) ÷ 6 =
8
41 + (39 ÷ 3) =
54
109 + (13 × 8) =
213
(58 - 28) ÷ 5 =
6
(4 + 10) × 8 =
112