有理数的加法计算(+14)+(-4)+(-2)+(+26)+(-3)(-83)+(+26)+(-41)+(+15)(-1.8)+(+0.7)+(-0.9)+1.3+(-0.2)1/4+(-3又1/3)+(+4又3/4)+(-6又2/3)
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有理数的加法计算(+14)+(-4)+(-2)+(+26)+(-3)(-83)+(+26)+(-41)+(+15)(-1.8)+(+0.7)+(-0.9)+1.3+(-0.2)1/4+(-3又1/3)
有理数的加法计算(+14)+(-4)+(-2)+(+26)+(-3)(-83)+(+26)+(-41)+(+15)(-1.8)+(+0.7)+(-0.9)+1.3+(-0.2)1/4+(-3又1/3)+(+4又3/4)+(-6又2/3)
有理数的加法计算
(+14)+(-4)+(-2)+(+26)+(-3)
(-83)+(+26)+(-41)+(+15)
(-1.8)+(+0.7)+(-0.9)+1.3+(-0.2)
1/4+(-3又1/3)+(+4又3/4)+(-6又2/3)
有理数的加法计算(+14)+(-4)+(-2)+(+26)+(-3)(-83)+(+26)+(-41)+(+15)(-1.8)+(+0.7)+(-0.9)+1.3+(-0.2)1/4+(-3又1/3)+(+4又3/4)+(-6又2/3)
(+14)+(-4)+(-2)+(+26)+(-3)
=14-4-2+26-3=31
(-83)+(+26)+(-41)+(+15)
=83+26-41+15=83
(-1.8)+(+0.7)+(-0.9)+1.3+(-0.2)
=1.8+0.7-0.9+1.3-0.2=2.7
1/4+(-3又1/3)+(+4又3/4)+(-6又2/3)
=1/4-3又1/3+4又3/4-6又2/3
=（1/4+4又3/4）-（3又1/3+6又2/3）
=5-10=-5
31
83
-0.9
-6