1-0.142+1/2-0.34+1/3-0.56+1/5-0.78

来源：学生作业帮编辑：神马作文网作业帮分类：数学作业时间：2024/11/17 07:07:12

1 +0.5+0.2-(0.34+0.56)-(0.78+0.142)+0.333=1.7-0.9-0.922+0.333=1.7+0.333-(0.9+0.922)=2.033-1.822=0.211

1-0.142+1/2-0.34+1/3-0.56+1/5-0.78 1-0.142+2分之1-0.34+3分之1－0.56＋5分之1-0.78=? 1-0.12+2分之1-0.34+3分之1-0.56+5分之1-0.78=?用简算 1减0.12加2分之1减0.34加3分之1减0.56加5分之1减0.78 (1+0.34+0.45+0.56)*(0.34+0.45+0.56+0.67)-(1+0.34+0.56+0.45+0 (1+0.12+0.34)*(0.12+0.34+0.56)-(1+0.12+0.34+0.56)*(0.12+0.34 （1+0.23+0.34）×（0.23+0.34+0.56）-（1+0.23+0.34+0.56）×（0.23+0.34 (1+0.12+0.34)x(0.12+0.34+0.56)-(1+0.12+0.34+0.56)x(0.12+0.34 计算：（1+0.23+0.34）*（0.2903+0.34+0.56）-（1+0.23+0.34+0.56）*（0.23 （1+0.23+0.34）*（0.23+034+0.56）-（1+0.23+0.34+0.56）*（0.23+0.34）求｛1+0.12+0.34｝*｛0.12+0.34+0.56｝-｛1+0.12+0.34+0.56｝*｛0.12+0.3 ﹙1+0.23+0.34﹚×﹙0.23+0.34+0.56)-﹙1+0.23+0.34+0.56﹚×﹙0.23+0.34