姓名： 时间： 成绩： （21道）
(1) ÷ 8 × = (2) 3 ÷ × = (3) 9 ÷ × =
107115115
64
(4) 18 × 23 ÷612
18
4
= (5)
(7) 6 ÷ 14315 × 4 = (8)
(10) 4 ÷ 13112 × 3 = (11)
(13) 129 × 3 ÷ 1214 = (14) 3
(16) 8 × 1820 ÷ 7 = (17) 4
(19) 2 ÷ 3134 × 9 = (20) 4
32020 × 3 ÷ 1213
14
= (6) 1816 × 2 ÷ 2016 = (9) 6 1137 ÷ 2 × 2 = (12) ÷ 14120 × 3 = (15) × 520 ÷ 95 = (18) ÷ 12519 × 11 = (21) 7 151227 × 3 ÷ 2
17
9
6
= ÷ 162
9 × 13 = 94
15 ÷ 5 × 8 = 13179 × 20 ÷ 1
8 = 715
11 × 2 ÷ 12 = × 7
10 ÷ 9 =
答案：
(1) 6 ÷ 8 × 4 = 96 (2) 3 ÷ 3 × 20 = 64 (3) 9 ÷ 15 × 12 = 544
1073511531155
(4) × ÷ = 1 (5) × 3 ÷ = 5 (6) × ÷ = 1
18236520125273210
1218418
(7) 6 ÷ 1432315 × 4 = 428 (8)
(10) 4 ÷ 13112 × 3 = 1313 (11)
(13) 129 × 3 ÷ 12214 = 43 (14) 3
(16) 8 × 1820 ÷ 7 = 1135 (17) 4
(19) 2 ÷ 3134 × 9 = 32327 (20) 4 1314131796171820416 × 2 ÷ 16 = 15 (9) 6 ÷ 16227
9 × 13 = 52
1135947 ÷ 2 × 2 = 128 (12) 15 ÷ 5 × 8 = 3
50 ÷ 141320 × 3 = 17 (15) 1317137
9 × 20 ÷ 8 = 945 × 595720 ÷ 5 = 9 (18) 11 × 2 ÷ 151
12 = 155 ÷ 1219 × 529711 = 233 (21) 7 × 10 ÷ 9 = 49
90
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