17.48X37-174.8X1.9+17.48X82简便算法怎样算

第一题:17.48x37-174.8x1.9+17.48x82(脱式) =17.48x(37-19+82) =17.48x(18+82) =17.48x100 =1748 第二题:0.125x0.25x0.5x64(脱式) =(0.125x8)x(0.25x4)x(0.5x2) =1

=17.48*37+17.48*19+8.74x88 =17.48*(37+19)+8.74*(4*22)=17.48*66+(8.74*4)*22=17.48*(3*22)+34.96*22=(17.48*3)*22+34.96*22=52.44*22+34.96*22=(52.44+34.96)*22=87.4*22=1922.8

17.48x37-174.8x1.9+1.748x820 =17.48*37-17.48*19+17.48*82=17.48*(37-19+82)=17.48*100=1748

226.7

=17.48*37-17.48*19+17.48*8=17.48*(37-19+8)=17.48*10=174.8

17.48X(37-10X1.9+0.1X820)=17.48X100=1748

17.48x37174.8X1.9+1.748X820=174.8x3.7174.8X1.9+174.8X8.20=174.8X(8.2+3.7-1.9)=174.8X10=1748

17.48*37-174.8*1.9+17.48*82=17.48*37-17.48*10*1.9+17.48*82=17.48*(37-19+82)=17.48*100=1748

17.48=2*8.74174.8=20*8.7417.48*37+174.8*1.9+8.74*88=37*2*8.74+1.9*20*8.74+88*8.74=(74+38+88)8.74=200*8.74=1748

17.48*37-174.8*1.9+34.96*14=17.48(37-19+28)=17.48*46=804.08