(a-2)x(a+2)+4=axa
求数学题找规律!1x5+4=9=3x32x6+4=16=4x43x7+4=25=5x54x8+4=36=6x68x12+
12个回答
相关问题
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1.48x(3/4-1/6)2.3/4x4/9+5/9x3/43.1/5x1/8+7/8x1/54.12x(1/2+1/
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6X-54=30 7X-36=13 3.5X+4=4.7 2X- 16=23 (X-9)÷7=6 (X+3)÷5=45
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解方程 7x+5.3=7.4 0.5x+8=43 3x/5=4.8 30/x+25=85 1.4*8-2x=6 6x-1
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1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
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求未知数x值.①x-0.8x+6=16②6.5:x=3.25:4③3[4/5]x+2.4x=[1/25].
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解方程.(1)6.7-6X=2.5(2)2.5+7X=4.6(3)9X+X=25(4)4(x+1.1)=12.4.
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1/1x2x3x4+1/2x3x4x5+1/3x4x5x6+1/4x5x6x7+1/5x6x7x8+1/6x7x8x9+
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小明做一道数学题,“求代数式10x 9 +9x 8 +8x 7 +7x 6 +6x 5 +5x 4 +4x 3 +3x
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解方程. 3x-16×5=25 4x+6.7=43 (6+x)
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1/2:1/5=1/4:x0.8:4=x:83/4:x=3:1236/x=54/32/9=8/x1.25:0.25=x: