四、在○里填上“>”“<”或“=”。
8 + 74 ○ 80
32 + 8 ○ 56 - 10
47 + 3 ○ 30 + 43
58 ○ 16 + 40
49 + 6 ○ 49 - 6
80 - 80 ○ 6 - 6
8 + 74 ○ 80
32 + 8 ○ 56 - 10
47 + 3 ○ 30 + 43
58 ○ 16 + 40
49 + 6 ○ 49 - 6
80 - 80 ○ 6 - 6
答案
8 + 74 = 82
82 > 80
8 + 74 > 80
32 + 8 = 40
56 - 10 = 46
40 < 46
32 + 8 < 56 - 10
47 + 3 = 50
30 + 43 = 73
50 < 73
47 + 3 < 30 + 43
16 + 40 = 56
58 > 56
58 > 16 + 40
49 + 6 = 55
49 - 6 = 43
55 > 43
49 + 6 > 49 - 6
80 - 80 = 0
6 - 6 = 0
0 = 0
80 - 80 = 6 - 6
82 > 80
8 + 74 > 80
32 + 8 = 40
56 - 10 = 46
40 < 46
32 + 8 < 56 - 10
47 + 3 = 50
30 + 43 = 73
50 < 73
47 + 3 < 30 + 43
16 + 40 = 56
58 > 56
58 > 16 + 40
49 + 6 = 55
49 - 6 = 43
55 > 43
49 + 6 > 49 - 6
80 - 80 = 0
6 - 6 = 0
0 = 0
80 - 80 = 6 - 6
五、看图列式计算。
1.
□○□=□(元)
2.
□○□=□(只)
3.
□○□=□
4.
□○□=□
1.
2.
3.
4.
答案
1.
$9+20=29$(元)
2.
$38-8=30$(只)
3.
$25+5=30$
4.
$25-10=15$
$9+20=29$(元)
2.
$38-8=30$(只)
3.
$25+5=30$
4.
$25-10=15$
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