1.(-7)+(+11)+3+(-2)= 2.(-1/2)+(-2/3)+(-5/6)= 3.1/4+(-2/3)+(+
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/30 08:57:21
1.(-7)+(+11)+3+(-2)= 2.(-1/2)+(-2/3)+(-5/6)= 3.1/4+(-2/3)+(+5/6)+(-1/4)+(-1/3)=
(-7)+(+11)+3+(-2)=
(-1/2)+(-2/3)+(-5/6)=
1/4+(-2/3)+(+5/6)+(-1/4)+(-1/3)=
(-7)+(+11)+3+(-2)=
(-1/2)+(-2/3)+(-5/6)=
1/4+(-2/3)+(+5/6)+(-1/4)+(-1/3)=
(-7)+(+11)+3+(-2)= 11+3-2-7=5
(-1/2)+(-2/3)+(-5/6)=-(3/6+4/6+5/6)-12/6=-2
1/4+(-2/3)+(+5/6)+(-1/4)+(-1/3)=(1/4-1/4)-(1/3+2/3)+5/6=5/6-1=-1/6
(-1/2)+(-2/3)+(-5/6)=-(3/6+4/6+5/6)-12/6=-2
1/4+(-2/3)+(+5/6)+(-1/4)+(-1/3)=(1/4-1/4)-(1/3+2/3)+5/6=5/6-1=-1/6
1/2+(-2/3)-(-4/5)+(-1/2)=?10/3+(-11/4)-(-5/6)+(-7/12)=?
(2-3)-(5*7-8)+11-(9-6-4)*(3+1)= (1/2-3)*(1-1/2-1/
数学(添运算符号)1 2 3 4 =11 2 3 4 5 =11 2 3 4 5 6 =11 2 3 4 5 6 7 =
1.解方程(1)|x-3|+5=2x+2 (2)3|x+2|-7=11 2.用两种方法解方程|4x+3|=2x+9
数学题(加括号)加括号1+2×3-4÷5=11×2+3-4+5÷6=11+2×3÷4+5+6÷7=11+2÷3×4+5+
2(3c-5)=11(2+2c) 3(4b-6)=2.
1/1+(1/1+2)+(1/1+2+3)……+(1/1+2+3+4+5+6+7+8+9+10+11)=
0.6(4-x)-5(0.2x+0.34)+5.3=0.2x-2/3+ x+5/6=7x-10/3.1/2(3x-5)+
已知:1*6=1×2×3×4×5×6,6*6=6×7×8×9×10×11,计算(2*5)÷(6*6)?
(解方程) 1.x-11分之5=7分之1 2.x+9分之2=4分之3 3.x+5分之3=6分之5
问几道合并同类项的题(^=乘方)1.(3a^2-2ab+6)-(5a^2-6ab-7)2.(4ab-a^2-b^2)-(
1.2又7/3+X+4又5/2=12 2.X-(4又2/1+0.75)=2 3.(11/2+2/1)-X-11/2=4/