摘要:1+7= 7+2= 2+7= 7+3= 3+7= 8+1= 1+8= 10-9= 8+2= 0+10= 2+8= 7-7= 9+1= 9-4= 9-7= 1+9= 10+0= 5-2= 5-4=
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(1)7 -2=□ |
(2)7 -□=1 |
(3)7 -5=□ |
(4)7 -□=5 |
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(5)7 -1=□ |
(6)7 -□=3 |
(7)7 -4=□ |
(8)7 -□=2 |
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(9)7 -6=□ |
(10)7 -□=4 |
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|
(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 |
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(1)8 ×10= |
(2)13 ×50= |
(3)6 ×70= |
|
(4)125 ×100= |
(5)16 ×40= |
(6)40 ×30= |
|
(7)25 ×30= |
(8)43 ×20= |
(9)75 ×100= |
|
(10)200 ×40= |
(11)12 ×200= |
(12)15 ×300= |
|
(1)8 ×10= |
(2)13 ×50= |
(3)6 ×70= |
|
(4)125 ×100= |
(5)16 ×40= |
(6)40 ×30= |
|
(7)25 ×30= |
(8)43 ×20= |
(9)75 ×100= |
|
(10)200 ×40= |
(11)12 ×200= |
(12)15 ×300= |