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解方程. 5+x=5.441.5x

(1)5+x=5.44 5+x-5=5.44-5 x=0.44(2)1.5x=2.251.5x÷1.5=2.25÷1.5 x=1.5(3)x÷1.1=0.73x÷1.1×1.1=0.73×1.1 x=0.803(4)x-7.18=3.82x-7.18+7.18=3.82+7.18 x=11

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