X÷6.2×0.5=2.5
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X÷6.2×0.5=2.5x=2.5÷0.5×6.2x=31
咨询记录 · 回答于2022-07-20
X÷6.2×0.5=2.5
X÷6.2×0.5=2.5x=2.5÷0.5×6.2x=31
13x+14=40
30.8-4x=10.8
13x+14=4013x=26x=2
30.8-4x=10.84x=20x=5
2.5x+7.5=17.5
5x-3×11=42
3.6x+2×1.4=8.2
4x+1.2×5=24.4
我写下哈
2.5x+7.5=17.52.5x=7.5+17.52.5x=25x=10
5x-3×11=425x=9x=9÷5x=1.8
3.6x+2×1.4=8.23.6x=8.2-2.83.6x=5.4x=5.4÷3.6x=1.5
4x+1.2×5=24.44x=24.4-64x=18.4x=4.6
亲,记得写解。