如题所述
4*6+2.4X=196.8
即: 24+2.4X=196.8
2.4*10+2.4X=196.8
2.4*(10+1)X=196.8
2.4*11X=196.8
26.4X=196.8
X=196.8/26.4
X约等于7.45
即: 24+2.4X=196.8
2.4*10+2.4X=196.8
2.4*(10+1)X=196.8
2.4*11X=196.8
26.4X=196.8
X=196.8/26.4
X约等于7.45
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第1个回答 2019-11-21
24+2.4x=196.8 x=72