求10.89*10.69-108.9*0.025-1.089*4.4 306*51/17 0.035*935+0.35*0.3+0.035+0.7*6.1*0.5的简便方法

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求10.89*10.69-108.9*0.025-1.089*4.4306*51/170.035*935+0.35*0.3+0.035+0.7*6.1*0.5的简便方法求10.89*10.69-108

求10.89*10.69-108.9*0.025-1.089*4.4 306*51/17 0.035*935+0.35*0.3+0.035+0.7*6.1*0.5的简便方法
求10.89*10.69-108.9*0.025-1.089*4.4 306*51/17 0.035*935+0.35*0.3+0.035+0.7*6.1*0.5的简便方法

求10.89*10.69-108.9*0.025-1.089*4.4 306*51/17 0.035*935+0.35*0.3+0.035+0.7*6.1*0.5的简便方法
10.89*10.69-108.9*0.025-1.089*4.4 =1.089*106.9-1.089*2.5-1.089*4.4 =1.089*(106.9-2.5-4.4) =1.089*100 =108.9; 306*51/17=306*3=918; 0.035*935+0.35*0.3+0.035+0.7*6.1*0.5 =3.5*9.35+3.5*0.03+3.5*0.01+3.5*0.61 =3.5*(9.35+0.03+0.01+0.61) =3.5*10 =35 .亲,请您点击【采纳答案】,您的采纳是我答题的动力,如果不明白,补充:10.89*10.69-108.9*0.025-1.089*4.4 =1.089*106.9-1.089*2.5-1.089*4.4 =1.089*(106.9-2.5-4.4) =1.089*100 =108.9; 306*51/17 =306*3 =918; 0.035*935+0.35*0.3+0.035+0.7*6.1*0.5 =3.5*9.35+3.5*0.03+3.5*0.01+3.5*0.61 =3.5*(9.35+0.03+0.01+0.61) =3.5*10 =35 .这个看得清楚,答案如果满意,