方式支付地方地方法
解方程,五年级3x+4=13 5x-2×8=19 0.8x+3.4x=19 5x+45=47.5 7.6x-7x=3.6
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相关问题
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解方程,并验算.x-0.7=4.31.4×2.5+2x=3.64x+0.8x=19.2(13.2+9)x=33.3.
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131-(7X+19)=35、(4.8-2)X+2=7.6、X-(7.6-0.4)=5.4、6(X-3.5)=17.8+
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x-7=6,3x+4=13,5x-2×8=19怎求的啦
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19x-8x=55 2×(7x-4x)=18 6x+8x=1.4×3 5x+0.1x=50+6.1 7.2x-3.6x=
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19x-8x=55 2×(7x-4x)=18 6x+8x=1.4×3 5x+0.1x=50+6.1 7.2x-3.6x=
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解方程. 4.2x-2.7×4=6 0.8x+x=5.4 2x-3.4=7.2 5.3+3x=6.8 6.3-2x+4.
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解方程,7个3x+6=4x+4 x=5=25-8x 7+2x=19-4x 8x-3-3x=4x+1 (x+0.9)=(x
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解方程: 9x/0.7=9; 25-3x=19; 4(x-9)=4; x-18=4=8; 5.6x-4.5/3=5.5;
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解方程:9x/0.7=9; 25-3x=19; 4(x-9)=4; x-18=4=8; 5.6x-4.5/3=5.5;
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解方程.(1)5.6X-8.6=19.4(2)3.2X-1.5X=0.51(3)(x+0.3)÷2=7.15.