2.5x0.6一1.8x0.5的简算

康缪策28422.5x0.6 - 1.8x0.5可以简算吗? -
殷程芸15527276772 ______ 可以!提取两个算式的公因式! 方法一: =2.5*0.6-0.6*1.5 =(2.5-1.5)*0.6 =0.6 方法二 =0.5*3-0.5*1.8 =(3-1,8)*0.5 =0.6

康缪策2842简便计算 2.5*0.6 - 1.8*0.5= -
殷程芸15527276772 ______ 简便计算如下: 2.5*0.6-1.8*0.5 =2.5*0.6-0.6*3*0.5 =2.5*0.6-0.6*1.5 =(2.5-1.5)*0.6 =1*0.6 =0.6

康缪策28422.5x6 - 1.8x5有简便算法吗 -
殷程芸15527276772 ______ 2.5x6-1.8x5=2.5*2*3-1.8*5=5*3-1.8*5=5(3-1.8)=5*1.2=6

康缪策2842二点五乘零点六减一点吧,乘零点五.综合算式 -
殷程芸15527276772 ______ 2.5x0.6-1.8x0.5=0.5x(5x0.6-1.8)=0.5x1.2=0.6

康缪策28422.5x0.9 - 1.8x0.6简便方法 -
殷程芸15527276772 ______ 2.5x0.9-1.8x0.6=2.5x(0.6+0.3)-1.8x0.6=2.5x0.6+2.5x0.3-1.8x0.6=(2.5-1.8)x0.6+2.5x0.3=0.7x0.6+2.5x0.3=0.42+0.75=1.17

康缪策2842二点5*1点6 - 1点8*0点二五简算 -
殷程芸15527276772 ______ 2.5x1.6-1.8x0.25=2.5x(1.6-0.18)=2.5x1.42=3.55

康缪策2842脱式计算55.4X1.6 - 0.6X55.4 -
殷程芸15527276772 ______ 原式=55.4*(1.6-0.6) =55.4*1 =55.4

康缪策2842二点5*1点8*0点6*2等于多少 -
殷程芸15527276772 ______ 2.5*1.8*0.62 =4.5*0.62 =2.79

康缪策28422.5x - 1.8+0.5x=0.6 15.6 - 2(x - 7.4)=12.4 0.86*2 - 7.1x=0.3 35 - x=4(x+5) 解方程 -
殷程芸15527276772 ______[答案] 2.5x-1.8+0.5x=0.63x=0.6+1.8x=0.815.6-2(x-7.4)=12.415.6-2x+2*7.4=12.4-2x=12.4-15.6-2*7.4-2x=-18x=90.86*2-7.1x=0.3-7.1x=0.3-1.72(0.86*2的积)-7.1x=-1.42x=0.235-x=4(x+5)35-x=4x+4*535-20=4x+x5x=15x=3

康缪策28422·5x0.8 - 1.8x0.5的简便计算 -
殷程芸15527276772 ______ 2·5x0.8-1.8x0.5 =2.5x0.8-0.8x0.5-1x0.5 =0.8x(2.5-0.5)-0.5 =0.8x2-0.5 =1.5-0.5 =1.1 朋友,请及时采纳正确答案,下次还可能帮您,您采纳正确答案,您也可以得到财富值,谢谢.