4.6x+1.8x=51.2
(4.6+1.8)x=51.2
6.4x=51.2
x=51.2/6.4
x=8
4.6x+1.8x=51.
1个回答
相关问题
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1.解方程8x-6x7=46.8 2.解方程2x+4.5x6=51 3.解方程1.6x+2.4x=10.4
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(1.8-4/5X)/1.2+(1.3-3X)/2+(1/2X-0.51)/0.6
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解方程 8 9 X= 1 6 × 16 51 X÷ 3 4 = 1 2 2 3 X÷ 1 4 =12．
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51-2.8x＝14.6
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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．
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(5/6一3/4)÷17/16x51/8 4.8×38.7十0.3x480℅
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4.4x+1.8=8.6+x
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简便算法:1/8x73/100x25x32、5/11x34x1/10x2/51、8/9x[3/4-(7/16=1/4)]