怎样解方程7x+5& gt;3x+7?
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3 –(7–5)= 1
(3+7)÷ 5 = 2
3° + 7 - 5 = 3
[(3 + 7)÷ 5 ]²
= 4
(3³ —7 )÷ 5
= 4
3 + 7 – 5 = 5
3 ×(7–5)= 6
3²–7 + 5 = 7
[(3+7)÷ 5 ]³
= 8
(—3² + 7²)÷ 5
= 8
–3 + 7 + 5 = 9
(3+7)× 5° =10
(3+7)÷ 5 = 2
3° + 7 - 5 = 3
3 + 7 – 5 = 5
3 ×(7–5)= 6
–3 + 7 + 5 = 9
(3+7)× 5° =10
(3+7)÷ 5 = 2
3° + 7 - 5 = 3
[(3 + 7)÷ 5 ]²
= 4
(3³ —7 )÷ 5
= 4
3 + 7 – 5 = 5
3 ×(7–5)= 6
3²–7 + 5 = 7
[(3+7)÷ 5 ]³
= 8
(—3² + 7²)÷ 5
= 8
–3 + 7 + 5 = 9
(3+7)× 5° =10
(3+7)÷ 5 = 2
3° + 7 - 5 = 3
3 + 7 – 5 = 5
3 ×(7–5)= 6
–3 + 7 + 5 = 9
(3+7)× 5° =10
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