简算:0.1×0.2×0.4×+0.2×0.4×0.8+0.3×0.6×1.2分之0.1×0.3×0.9×+0.2×0.6×1.8+0.3×0.9×2.7=

5.76×0.2＋0.4简算 简算:0.1×0.2×0.4×+0.2×0.4×0.8+0.3×0.6×1.2分之0.1×0.3×0.9×+0.2×0.6×1.8+0.3×0.9×2.7= 简算100+99.9-99.8-99.7+···+0.4+0.3-0.2-0.1 简算.0.1+0.2+0.3+.+0.8+0.9+1 0.1 0.2 0.3 0.4 0.5加减乘除怎样等于0.2 0.1 0.2 0.3 0.4 0.5怎么算答案是0.2 (0.1x+0.4)/0.2-(0.2x-0.6)/0.3=1 0.1+0.2+0.3+0.4.+9.8等于多少? 0.1+0.2+0.3+0.4+...+9.7+9.8= 0.1,0.2,0.4( 1.1)( )( )找规律 0.2y²-0.4y=0.1 找规律0.1 0.2 0.4 0.7 ( ),( ),( ), 0.1+0.2+0.3+0.4+.+0.9=( ) 2-0.2(y-2)=x+0.1/0.5y-0.2/0.4＝0.2-x/0.2 (+0.2)+(-0.2)+(+0.7)+(-0.3)+(-0.4)+(+0.6)+0+(-0.1)+(-0.6)+(+0.5)+(-0.2)+(-0.5)=?(+0.2)+(-0.2)+(+0.7)+(-0.3)+(-0.4)+(+0.6)+0+(-0.1)+(-0.6)+(+0.5)+(-0.2)+(-0.5)=? （0.72*0.4*3.5）/（0.9*0.2*7）简算 （0.72*0.4*3.5）/（0.9*0.2*7）简算 (0.1*0.3*0.9+0.2*0.6*1.8+0.3*0.9*2.9)除以（0.1*0.2*0.4+0.2*0.4*0.8+0.3*0.6*1.2）