4.35x1.8一1.7的简算

苏竹耍51034.35*0.58的简便计算 -
厉瞿放15987367528 ______ 4.35*(0.6-0.02)

苏竹耍51034.35x0.74 +4.35x0.16+ 0.435有简便算法吗?如果有,怎么算? -
厉瞿放15987367528 ______ 原式=4.35x0.74+4.35x0.16+4.35x0.1=4.35x(0.74+0.16+0.1)=4.35x(0.9+0.1)=4.35x1=4.35

苏竹耍51034.35x0.2+43.5x8用简便方法怎么算 -
厉瞿放15987367528 ______ 4.35x0.2+43.5x8=4.35x0.2+4.35x10x8=4.35x(0.2+80)=4.35x80+4.35x0.2=348+0.87=348.87

苏竹耍51032.25x1.8+1.25x0.18怎么简便? -
厉瞿放15987367528 ______ 22.5x0.18+1.25x0.18 =(22.5+1.25)x0.18 =23.75x0.18 =23.75x2x0.09 =47.5x0.09 =4.275

苏竹耍51030.94x1.8保留整数保留一位小数保留2位小数 -
厉瞿放15987367528 ______ 0.94x1.8=1.692,保留整数保留一位小数是1.7,保留2位小数是1.69 求满意采纳,亲

苏竹耍51030.009x1.8一0.001x7.2的简便运算咋做 -
厉瞿放15987367528 ______ 把7.2换成1.8*4就好做了0.009*1.8-0.001*7.2=0.009*1.8-0.001*1.8*4=0.009*1.8-(0.001*4)*1.8=1.8*(0.009-0.004)=1.8*0.005=0.9*(2*0.005)=0.9*0.01=0.009

苏竹耍51033.5*0点8+0点2*1点7简算公式 -
厉瞿放15987367528 ______ 3.5x0..8+0.2x1.7=0.2x(3.5x4+1.7)=0.2x(14+1+0.7)=0.2x(15+0.7)=0.2x15+0.2x0.7=3+0.14=3.14 谢谢,请采纳

苏竹耍5103x+3.5=1.8这个问题怎么解 -
厉瞿放15987367528 ______ 解:x=1.8-3.5 解得:x=-1.7

苏竹耍51033.8x一2.6x=1.8怎么解 -
厉瞿放15987367528 ______ 3.8x一2.6x=1.81.2x=1.8 2x=3 x=3/2

苏竹耍51034.35x0.25 0.25x3.65简算 -
厉瞿放15987367528 ______ 4.35x0.25 +0.25x3.65=(4.35+3.65)x0.25=8x0.25=2