45-91+5-9=-50
.+45)+(-91)+5+(-9)=?
3个回答
相关问题
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9×17+91÷17-5×17+45÷17=______.
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9×17+91÷17-5×17+45÷17=?简便计算
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(-49)-(+91)-(-5)+(-9).
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(-49)-(+91)-(-5)+(-9).
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(-12)+11+(-8)+39 45+(-9)+(-91)+15 (-5.4)+0.2+(-0.6)+0.8
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计算:①(-49)-(+91)-(-5)+(-9); ② (-
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1.(-49)+(+91)-(-5)+(-9)
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在0..91.5、0.91.5、0.9.1.5、[19/20]、91.5%中最小的数是( )
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12.34+23.45+34.56+45.67+56.78.67.89+78.91+89.12+91.23=
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九宫格 用数字1~9来解81宫 ###1#7###73#####91##45#98###5##4##8#6##2#3##