求40道有理数加减混合运算题.看好了,是加减法!是加减法!不要乘法德!3Q!不要书上德
求40道有理数加减混合运算题.看好了,是加减法!
是加减法!
不要乘法德!
3Q!
不要书上德
你是华英的吗?
一)计算题:
(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)
(二)用简便方法计算:
(1)(-17/4)+(-10/3)+(+13/3)+(11/3) (2)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(32)+56-681.125+[-17/5]-[-1/8]+[-0.6]= (-32)+68+(-29)+(-68)=39+[-23]+0-[-16]= [-4/9]+[-3/5]-[+11/8]+[+5/9]+[-1/8]+[-0.4]= (-21)-251+21+(-151)=[-18]-58+[-52]+60= [-3]+[-2]+[-1]-89+...
-38)+52+118+(-62)=
(-32)+68+(-29)+(-68)=
(-21)+251+21+(-151)=
12+35+(-23)+0=
(-6)+8+(-4)+12 =
27+(-26)+33+(-27)
12+35+(-23)+0=
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
1-4/9 =
1-7/10=
8/15-5=
7-15=
2/8-5/8=
8/27-5 =
4-27 =
11/12-10/12=
16/21-1/7 =
4/ 2-(3+3 )=
1/3- 7/12-7/18=
1 -1/3-1 1/5 =
10-7/10=
5/24+3/8 =
4.5-3/5
1-3/5=2/5
4.39*1/13*2/3
1+(-2)+(-3)+4+5+(-6)+(-7)+8+9+(-10)+(-11)+12
-15.8+13又6分之5+15又5分之4
(-7分之1)+(-7分之2)+1又7分之3
-0.5-(-3 )+2.75-(+7 )
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=