答案
(
1 ) 8 ÷4 = 2
(
2 ) 5 +8 =13
(
3 ) 7 ×6 =42
(
4 ) 20 ÷5 = 4
(
5 ) 两个相同的数相除,
(
6 ) 56 -45 =11
(
7 ) 6 ×9 =54
(
8 ) 24 +32 =56
(
9 ) 45 ×8 =360
(
10 ) 4 ×5 +2 ×6 =32
(
11 ) 12 ÷4 = 3
(
12 ) 400 +360 =760
(
13 ) 88 -29 =59
(
14 ) 5 ×9 =45
(
15 ) 28 ÷4 = 7
(
16 ) 36 ÷6 = 6
(
17 ) 8 ×3 =24
(
18 ) 620 -20 =600
(
19 ) 80 +400 =480
(
20 ) 65 ÷8 =8 …… 1
(
21 ) 14 ÷2 ×9 =63 答案等于 1
( 22 ) 18 ÷2 ×3 =27
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