用简便算法 0.635×(-7)+0.635×11-0.635×4 =0 (-2|5)×(-4|5)-(-8|25)×24 =0.635×(-7)+0.635×11-0.635×4 = (-2|5)×(-4|5)-(-8|25)×24 =

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 08:12:54
用简便算法0.635×(-7)+0.635×11-0.635×4=0(-2|5)×(-4|5)-(-8|25)×24=0.635×(-7)+0.635×11-0.635×4=(-2|5)×(-4|5)

用简便算法 0.635×(-7)+0.635×11-0.635×4 =0 (-2|5)×(-4|5)-(-8|25)×24 =0.635×(-7)+0.635×11-0.635×4 = (-2|5)×(-4|5)-(-8|25)×24 =
用简便算法 0.635×(-7)+0.635×11-0.635×4 =0 (-2|5)×(-4|5)-(-8|25)×24 =
0.635×(-7)+0.635×11-0.635×4 =

(-2|5)×(-4|5)-(-8|25)×24 =

用简便算法 0.635×(-7)+0.635×11-0.635×4 =0 (-2|5)×(-4|5)-(-8|25)×24 =0.635×(-7)+0.635×11-0.635×4 = (-2|5)×(-4|5)-(-8|25)×24 =
0.635X(-7+11-4)=0.635X0=0
8/25+8/25X24=8/25X(1+24)=8/25X25=8

(-2|5)×(-4|5)-(-8|25)×24 =(-8×(24+1))|25=-8
0.635×(-7)+0.635×11-0.635×4=0.635×(-7+11-4)=0.635×0=0

0.635*(-7+11-4)=(-8/25)*(-8/25)*24=0