0.79*0.46+7.9*0.24+11.4*0.079
展开全部
0.79*0.46+7.9*0.24+11.4*0.079
=0.79*(0.46+2.4+1.14)
=0.79*3
=2.37
=0.79*(0.46+2.4+1.14)
=0.79*3
=2.37
追答
0.79*0.46+7.9*0.24+11.4*0.079
=0.79*(0.46+2.4+1.14)
=0.79*4
=3.16
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展开全部
=0.79×0.46+0.79×2.4+0.79×1.14
=0.79×(0.46+2.4+1.14)
=0.79×4
=3.16
=0.79×(0.46+2.4+1.14)
=0.79×4
=3.16
追答
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展开全部
0.79*0.46+7.9*0.24+11.4*0.079
=0.079*(4.6+24+11.4)
=0.079*40
=3.16
=0.079*(4.6+24+11.4)
=0.079*40
=3.16
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展开全部
=0.79*(0.46+2.4+1.14)=0.79*2=1.58
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