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1.8除以0.5的脱式计算怎么简算

解:1.8/0.5 =(1.8*2)/(0.5*2) =3.6/1 =3.6

2.5x0.6一1.8X0.5 =2.5×0.6-0.6×1.5 =0.6×(2.5-1.5) =0.6

4.05÷0.5+10.75 =8.1+10.75 =18.85 你好,本题已解答,如果满意 请点右下角“采纳答案”。

(1)1.8×2.58+0.5+1.42×1.8=1.8×(2.58+0.5+1.42)=1.8×4.5=8.1(2)(54.7-17.5)×(0.45÷0.9)=37.2×0.5=18.6(3)52.91-311113-18213=52.91-(311113+18213)=52.91-50=2.91(4)15-8811+212=(15-8+2)-(811-12)=9-522=81722

17.5÷0.5X1.8 =35x1.8 =63 , 你好,本题已解答,如果满意 请点右下角“采纳答案”。

240

(1)1.8×2.58+0.5+1.42×1.8=1.8×(2.58+1.42)+0.5=1.8×4+0.5=7.2+0.5=7.7;(2)(54.7-17.5)×(0.45÷0.9)=37.2×0.5=18.6;(3)1.5×(0.1÷0.2)-0.18÷0.36=1.5×0.5-0.5=0.75-0.5=0.25;(4)93.6÷[(54.8+45.2)×(6-5.46)]=93.6÷[100×0.5...

(1)1.8×2.58+0.5+1.42×1.8=1.8×(2.58+1.42)+0.5=1.8×4+0.5=7.2+0.5=7.7;(2)(54.7-17.5)×(0.45÷0.9)=37.2×0.5=18.6;(3)1.5×(0.1÷0.2)-0.18÷0.36=1.5×0.5-0.5=0.75-0.5=0.25;(4)93.6÷[(54.8+45.2)×(6-5.46)]=93.6÷[100×0....

(1)(3.8-1.8÷2)×0.5 =(3.8-0.9)×0.5,=2.9×0.5,=1.45;(2)910÷[12×(65-310)]=910÷[12×910].=910÷920,=2;(3)25+37+35+47=(25+35)+(37+47),=1+1,=2;(4)19×15+15×14+17×20%=19×15+15×14+17×15,=(19+14+17)×15,=50×15...

16.5-6.5×0.5 =16.5-3.25 =13.25 不能简算

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