用运算符号将数-5,-3,-2,-6连结成算式,并使结果为24,试写出3个算式:
(1) -5 -3 -2 -6 = 24(2) -6 -5 -3 -2 (3) -5 -3 (-6 -2) -2 = 24
(4) -5 -3 -2 -6 = (-5)+(-3)×(-2)×(-6)=24。(注:第(4)种情况下,运算符号“+”和“×”应为小写字母)(0.5-0.5)×(0.5-0.5)×0.5
=(0.5-0.5)×0×0.5
=0×0×0.5
=0
(0.5-0.5)×(0.5-0.5)+0.5
=(0.5-0.5)×0+0.5
=0×0+0.5
=0.5
(0.5-0.5)×0.5+0.5÷0.5
=0×0.5+0.5÷0.5
=1有点难。。。。。。(-5)x(-6)-(-3)x(-2) 一个。。。。。和24点有点像 [(-5)+(-3)]/(除以)(-2)x(-4) 还有个无解?不知道了 有待思考(-2)*(-6)*【(-3)-(-5)】=24
(-6)*(-5)-【(-2)*(-3)】=24
【(-5)+(-6)】*(-2)-(-3)=24
这样应该是对的吧~~~
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