怎样将下列算式简便运算(脱式计算):26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.441.25*3.7+1.25*5.3-1.25 19.7/1.25/8===26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.44

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 02:20:54
怎样将下列算式简便运算(脱式计算):26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.441.25*3.7+1.25*5.3-1.25 19.7/1.25/8===26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.44

怎样将下列算式简便运算(脱式计算):26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.441.25*3.7+1.25*5.3-1.25 19.7/1.25/8===26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.44
怎样将下列算式简便运算(脱式计算):26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.44
1.25*3.7+1.25*5.3-1.25 19.7/1.25/8
=
=
=
26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.44

怎样将下列算式简便运算(脱式计算):26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.441.25*3.7+1.25*5.3-1.25 19.7/1.25/8===26.7-0.5*0.5-0.75 0.56*3.14+3.14*0.44
26.7-0.5*0.5-0.75
=26.7-0.25-0.75
=26.7-(0.25+0.75)
=26.7-1
=25.7
0.56*3.14+3.14*0.44
=3.14*(0.56+0.44)
=3.14*1
=3.14
1.25*3.7+1.25*5.3-1.25
=1.25*(3.7+5.3-1)
=1.25*8
=10
19.7/1.25/8
=19.7/(1.25*8)
=19.7/10
=1.97