摘要：3+6= 6+4= 1+7= 7+2= 2+5= 5+3= 7+3= 1+8= 10-2= 10-3= 8+2= 0+10= 2+8= 6-5= 9+1= 1+9= 10+0= 4-3= 7-2= 5-1=
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| 3×4+1= | 5×7×2= | 2×6×3= | 8×5×9= | 9×6+6= | 8×8+4= | 3×0= | 0×0= | 4×3= | 15×4= | 10×0= | 0×100= | 303×2=1 | 50×4= | 102×5= | 30×6= | 170×4= | 506×5= | 120×5= | 300×6= | 460×8= | 560×5= |
| 3×4+1= | 5×7×2= | 2×6×3= |
| 8×5×9= | 9×6+6= | 8×8+4= |
| 3×0= | 0×0= | 4×3= |
| 15×4= | 10×0= | 0×100= |
| 303×2=1 | 50×4= | 102×5= |
| 30×6= | 170×4= | 506×5= |
| 120×5= | 300×6= | 460×8= |
| 560×5= |
|
(1)7 －2=□ |
(2)7 －□=1 |
(3)7 －5=□ |
(4)7 －□=5 |
|
(5)7 －1=□ |
(6)7 －□=3 |
(7)7 －4=□ |
(8)7 －□=2 |
|
(9)7 －6=□ |
(10)7 －□=4 |
|
(1)7 －2=□ |
(2)7 －□=1 |
(3)7 －5=□ |
(4)7 －□=5 |
|
(5)7 －1=□ |
(6)7 －□=3 |
(7)7 －4=□ |
(8)7 －□=2 |
|
(9)7 －6=□ |
(10)7 －□=4 |