请大家帮忙解解这些计算题，我都被搞懵了，我已经拿出了我的全部积蓄

显示全部楼层 · 2013-1-17 13:54:34

（-2.2）+3.8=1.6
(+41)+(-75)=-34
15+(-22) =-7
1/2+(-2/3)=-1/6
(-10)+(+6)=-42/5+(-3/5)=-1/5
(-1/3)+2/5=1/15
(-3 1/4)+(-11/12) =-26/3
30+(-20)=10
23+(-17)+6+(-22)=-10
(-8)+10+2+(-1)=3
5+(-6)+3+9+(-4)+(-7) =0 (-0.8)+1.2+(-0.7)+9(-2.1)=-0.5-18.9...

千问 · 2013-1-17 13:54:34

（-2.2）+3.8=1.6(+41)+(-75)= -3415+(-22)= -71/2+(-2/3)= -(1/6) (-10)+(+6)= -42/5+(-3/5) = -(1/5)(-1/3)+2/5 = 1/15(-3 1/4)+(-11/12)= ?30+(-20)=1023+(-17)+6+(...

千问 · 2013-1-17 13:54:34

1.6 -34 -7 -1/6 -4 -1/5 1/15
(-3 1/4)+(-11/12) 不懂什么意思10 -10 3 0 (-0.8)+1.2+(-0.7)+9(-2.1)=0.8+3.5不懂什么意思-1/5 12 (-3 1/2)-51/4不懂什么意思11 2.5...