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直接写出下面各题的得数.325+464=460+250=480-90=2600-2000=305+103≈302×3≈78×4≈56÷7=810-510=78-48=25+15=1-37=
题目详情
直接写出下面各题的得数.
直接写出下面各题的得数.
325+464= 460+250= 480-90= 2600-2000= 305+103≈ 302×3≈ 78×4≈ 56÷7=
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= 325+464= 460+250= 480-90= 2600-2000= 325+464= 460+250= 480-90= 2600-2000= 305+103≈ 302×3≈ 78×4≈ 56÷7= 305+103≈ 302×3≈ 78×4≈ 56÷7=
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8 10 8 8 10 10
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5 10 5 5 10 10
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7 8 7 7 8 8
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4 8 4 4 8 8
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2 5 2 2 5 5
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1 5 1 1 5 5 1-
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3 7 3 3 7 7
| 325+464= | 460+250= | 480-90= | 2600-2000= | ||||||||||||||
| 305+103≈ | 302×3≈ | 78×4≈ | 56÷7= | ||||||||||||||
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| 325+464= | 460+250= | 480-90= | 2600-2000= | ||||||||||||||
| 305+103≈ | 302×3≈ | 78×4≈ | 56÷7= | ||||||||||||||
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| 1-
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| 325+464= | 460+250= | 480-90= | 2600-2000= | ||||||||||||||
| 305+103≈ | 302×3≈ | 78×4≈ | 56÷7= | ||||||||||||||
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▼优质解答
答案和解析
325+464=789 460+250=710 480-90=390 2600-2000=600 305+103≈400 302×3≈900 78×4≈320 56÷7=8
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325+464=789 460+250=710 480-90=390 2600-2000=600 325+464=789 325+464=789460+250=710 460+250=710480-90=390 480-90=3902600-2000=600 2600-2000=600305+103≈400 302×3≈900 78×4≈320 56÷7=8 305+103≈400 305+103≈400302×3≈900 302×3≈90078×4≈320 78×4≈32056÷7=8 56÷7=8
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8 10 8 8 810 10 10-
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5 10 5 5 510 10 10=
3 10 3 3 310 10 10
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7 8 7 7 78 8 8-
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4 8 4 4 48 8 8=
3 8 3 3 38 8 8
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2 5 2 2 25 5 5+
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1 5 1 1 15 5 5=
3 5 3 3 35 5 51-
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3 7 3 3 37 7 7=
4 7 4 4 47 7 7
| 325+464=789 | 460+250=710 | 480-90=390 | 2600-2000=600 | ||||||||||||||||||||||
| 305+103≈400 | 302×3≈900 | 78×4≈320 | 56÷7=8 | ||||||||||||||||||||||
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