【有理数加减法混合运算22.54+(-4.4+(-12.54)+4.4(2/3-1/2)-(1/3-5/6)2.4-(-3/5)+(3.1)+4/5(-6/13)+(-7/13)-(-2)3/4-(-11/6)+(-7/3)11+(-22)-3*(-11)(-0.1)÷1/2*(-100)(-3/4)*(-2/3-1/3)*0(-1)*2001(-2)*3-3*223÷【(-2)*3-(-4)】】
有理数加减法混合运算
22.54+(-4.4+(-12.54)+4.4
(2/3-1/2)-(1/3-5/6)
2.4-(-3/5)+(3.1)+4/5
(-6/13)+(-7/13)-(-2)
3/4-(-11/6)+(-7/3)
11+(-22)-3*(-11)
(-0.1)÷1/2*(-100)
(-3/4)*(-2/3-1/3)*0
(-1)*2001
(-2)*3-3*2
23÷【(-2)*3-(-4)】
(3/4-7/8)÷(-7/8)
(-60*(3/4+5/6)