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9.99 22.2 33.3 3.34

9.99*22.2+33.3*3.34 =(33.3×0.3)×22.2 +33.3×3.34 =33.3×(0.3×22.2) +33.3×3.34 =33.3×6.66+33.3×3.34 =33.3×(6.66+3.34) =33.3×10 =333 请尊重彼此,及时采纳答案!目不识丁丁在这里祝你学习进步!!! 如果本题有什么不明白可以追问,如果...

9.99*22.2+33.3*3.34 =(3.33*3)*22.2+(3.33*10)*3.34 =3.33*(3*22.2)+3.33*(10*3.34) =3.33*66.6+3.33*33.4 =3.33*(66.6+33.4) =3.33*100 =333 以上式子里面的星号*是指乘号×

9.99X22.2=33.3X3X2.22=33.3X6.66 33.3X6.66+33.3X3.34=333 不知这样是否可以算作简算呢??

9.99×22.2+33.3×3.34 =3.33×3×22.2+3.33×10×3.34 =3.33×66.6+3.33×33.4 =3.33×(66.6+33.4) =3.33×100 =333

9.99×2.22+3.33×3.34 =3.33×(3×2.22)+3.33×3.34 =3.33×(6.66+3.34) =3.33×10 =33.3

9.99x22.2+33.3x3.34 =99.9x2.22+33.3x3.34 =33.3x(3x2.22)+33.3x3.34 =33.3x(6.66+3.34) =33.3x10 =333 朋友,请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明...

3330

99.9*22.2+33.3*33.4 =33.3*3*22.2+33.3*33.4 =33.3*66.6+33.4 =33.3*(66.6+33.4) =33.3*100 =3330

9.99*2.22+3.33*3.34 =3.33*3*2.22+3.33*3.34 =3.33*(6.66+3.34) =3.33*10 =33.3

22.2x3.34+4.44x33.3 =22.2×3.34+2.22×2×33.3 =2.22×33.4+2.22×66.6 =2.22×(33.4+66.6) =2.22×100 =222

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