
24×1.05-3点549÷3.9怎么简便运算?
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24×1.05-3点549÷3.9怎么简便运算是
=24×(1+0.05)-(3*1.183)/(3*1.3)
=24*1+24*0.05-1.183/1.3
=24+1.2-11.83/13
=25.2-(13-1.17)/13
=25.2-1+1.17/13
=24.2+0.09
=24.29
=24×(1+0.05)-(3*1.183)/(3*1.3)
=24*1+24*0.05-1.183/1.3
=24+1.2-11.83/13
=25.2-(13-1.17)/13
=25.2-1+1.17/13
=24.2+0.09
=24.29
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