16-7又1/2-(-3又1/3)-11又5/6 有理数加减混合运算22.34+(-4.3)+(-12.34)-(-4.3)1/4+(-2/3)+(-2又1/4)-(+1又1/3)(-21.6)+3-7.4+(-2/5)10/3+(-11/4)-(-5/6)+(-7/12)
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16-7又1/2-(-3又1/3)-11又5/6 有理数加减混合运算22.34+(-4.3)+(-12.34)-(-4.3)1/4+(-2/3)+(-2又1/4)-(+1又1/3)(-21.6)+3-7.4+(-2/5)10/3+(-11/4)-(-5/6)+(-7/12)
16-7又1/2-(-3又1/3)-11又5/6 有理数加减混合运算
22.34+(-4.3)+(-12.34)-(-4.3)
1/4+(-2/3)+(-2又1/4)-(+1又1/3)
(-21.6)+3-7.4+(-2/5)
10/3+(-11/4)-(-5/6)+(-7/12)
16-7又1/2-(-3又1/3)-11又5/6 有理数加减混合运算22.34+(-4.3)+(-12.34)-(-4.3)1/4+(-2/3)+(-2又1/4)-(+1又1/3)(-21.6)+3-7.4+(-2/5)10/3+(-11/4)-(-5/6)+(-7/12)
16-7又1/2-(-3又1/3)-11又5/6 有理数加减混合运算
=16-7+3-11-1/2+1/3-5/6
=1-3/6+2/6-5/6
=0;
22.34+(-4.3)+(-12.34)-(-4.3)
=22.34-4.3-12.34+4.3
=10;
1/4+(-2/3)+(-2又1/4)-(+1又1/3)
=1/4-2/3-2-1/4-1-1/3
=-2-1-1
=-4;
(-21.6)+3-7.4+(-2/5)
=-21.6+3-7.4-0.4
=-19-7.4
=-26.4;
10/3+(-11/4)-(-5/6)+(-7/12)
=10/3-11/4+5/6-7/12
=40/12-33/12+10/12-7/12
=10/12
=5/6;
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原式=8又1/2+3又1/3-11又5/6=11又5/6-11又5/6=0 原式=1/4-2又1/4-2/3-1又1/3=-2-2=-4 原式=22.34-4.3-12.34+4.3=10 原式=-21.6+3-7.4-0.4=-26.4 原式=10/3-11/4+5/6-7/12=20/6+5/6-33/12-7/12=25/6-20/6=5/6