几道数学计算题,要写过程

来源:百度知道 编辑:UC知道 时间:2024/05/15 05:43:04
0-(-64)-(+43)+(-49)-(+15)

(-2)+3+6+(-3)+2+(-4)

(+6.1)-(-4.3)+(+2.1)-5.7

3.54+(-3.72)-(-15.46)-(+5.28)

(-121.3)+(-78.5)-(8又2分之1)(-121.3)

(-39又19分之18)*(-15)

-15*43+(-15)*21-(-15)*164

-1的2次方-[2-(-3)的2次方]*|1/5-1/3|/(-1/10)
全部都要写过程,写了的再加10分,谢谢了

1:0-(-64)-(+43)+(-49)-(+15)
=0+64-43-49-15
= 21-49-15
=6-49
=-43

(-2)+3+6+(-3)+2+(-4)
=-2+3+6-3+2-4
=1+6-7+2
=2

(+6.1)-(-4.3)+(+2.1)-5.7
=6.1+4.3+2.1-5.7
=10.4+2.1-5.7
=12.5-5.7
=6.8

3.54+(-3.72)-(-15.46)-(+5.28)
=3.54-3.72+15.46-5.28
=19-9
=10

(-39又19分之18)*(-15)
=-759/19*-15
=11385/19

-15*43+(-15)*21-(-15)*164
=-645-315+2460
=1500
-1的2次方-[2-(-3)的2次方]*|1/5-1/3|/(-1/10)
=1-(-7)*(2/15)/-0.1
=1-28/3
=-25/3

0-(-64)-(+43)+(-49)-(+15)
=0+64-43-49-15
=-43

(-2)+3+6+(-3)+2+(-4)
=-2+3+6-3+2-4
=2

(+6.1)-(-4.3)+(+2.1)-5.7
=6.1+4.3+2.1-5.7
=6.8

3.54+(-3.72)-(-15.46)-(+5.28)
=3.54-3.72+15.46-5.28
=10

(-121.3)+(-78.5)-(8又2分之1)(-121.3)
=-121.3-78.5-8.5-121.3 <