-1+()=-1 -10+()=0 -4+()=-8 -2+()=+12
10/4=8/()=()/1=12/()
计算(1)(-10)+(+6)=-(10-6)=-4(2)(+12)+(-4)=+(12-4)=8(3)(-5)+(-7
3-{(-3)-12}= 8-(9-10)= (3-5)-(6-10)= 0-1+2-3+4-5= -4.2+5.7-8
0+1+2-3-4+5+6-7-8+9+10-11-12``````-2008+2009=?
(-9)-6= 5-(-10)= 0-(-15)= -(5/6)-(2 1/2)= [(-5)-(-8)]-(-4)=
x²+4x=2 5x²-4x-12=0 4x²+4x+10=1-8x
1=1,2=2,3=4,4=8,5=16,6=32,7=64,8=128,9=256,10=512,11=1024,12
找规律:2+4=9 6+8=1 4+1=10 2+1=12 5+5=5 6+6=3 以规律求:+1=8 7+4=?6+2
0,1,2,3,4,5,6,8,9 0,2,4,6,8,10,12 1,2,3,4,5 7/2=?猜成语
1=0+12+3+4=1+85+6+7+8+9=8+27
0.25=4分之1=25%=2/8=( )/16=3:12
int a[4][3]={1,2,3,4,5,6,7,8,9,10,11,12} ,(*prt)[3]=a,*p=a[0