来自纪淑波的问题
关于正负数的口算题,
关于正负数的口算题,
3回答
2020-07-17 21:30
关于正负数的口算题,
关于正负数的口算题,
(1)23+(-73)(2)(-84)+(-49)(3)7+(-2.04)(4)4.23+(-7.57)(5)(-7/3)+(-7/6)(6)9/4+(-3/2)(7)3.75+(2.25)+5/4(8)-3.75+(+5/4)+(-1.5)1)(-17/4)+(-10/3)+(+13/3)+(11/3)(2)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)(1)(-7)-(+5)+(+3)-(-9)=-7539;(2)-(+2)-(-1)-(+3)+(-)=(2)+(1)+(3)+();(3)-145(-3)=-12;
看不清呀啥意思?
(1)23+(-73)(2)(-84)+(-49)(3)7+(-2.04)(4)4.23+(-7.57)(5)(-7/3)+(-7/6)(6)9/4+(-3/2)(7)3.75+(2.25)+5/4(8)-3.75+(+5/4)+(-1.5)(9)(-17/4)+(-10/3)+(+13/3)+(11/3)(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)(11)(-7)-(+5)+(+3)-(-9);