2.4x+1.6x+4=6.2
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2.4x+1.6x+4=6.24x+4=6.24x+4-4=6.2-44x=2.2x=2.2÷4x=0.55
咨询记录 · 回答于2022-12-04
2.4x+1.6x+4=6.2
2.4x+1.6x+4=6.24x+4=6.24x+4-4=6.2-44x=2.2x=2.2÷4x=0.55
5x- 2+1.8=3.6解方程
马上哦
5x- 2+1.8=3.65x-0.2=3.65x-0.2+0.2=3.6+0.25 x=3.8x=3.8÷5x=0.76
(8.7+x)÷2.6=5.5
(8.7+x)÷2.6=5.58.7+x=5.5×2.68.7+x=14.3x=14.3-8.7x=5.6
9x+4×2.5=91
9x+4×2.5=919x+10=919x=91-109x=81 x=81÷9 x=9
按理说下面您问的题都是我送您的哦,实则只能回答首个问题就够了
13(X+5)=169
13(X+5)=169x+5=169÷13x+5=13x=13-5x=8
35.28÷[23.6-(16.8+3.2)]
简便计算
35.28÷[23.6-(16.8+3.2)]35.28÷(23.6-20)=35.28÷3.6=9.8