11+22+33+44+55+66+77+88+99+100+111=706

 hok tốt 

# EllyNguyen #

11+22+33+44+55+66+77+88+99+100+111=706

22+22+22+44+55+66+77+88=396

k mk nha 

mk nhanh nhất

=396

haha

= 500366 nha ban!

11 = 1 

k cho mik nha

1=11

2=22

3=33

4=44

5=55

6=66

7=77

8=88

9=99

11=1

a) 45

b) 459

c) 495

chúc bạn học tốt~

1+2+3+4+5+6+7+8+9=45

10+20+39+40+50+60+70+80+90=459(Chắc bạn bấm nhầm 30->39)

11+22+33+44+55+66+77+88+99=495

34 < 50     47 > 45     55 < 66

78 > 69     81< 82     44 > 33

72 < 81     95 > 90     77 < 99

62 = 62     61 < 63     88 > 22

66 x 44 = 2904

88 x100 = 8800

44 x 55 = 2420

66 x 44

= 2904

88 x 100

= 8800

44 x 55

= 2420

1. Tính:

a) 23 + 24 - ( 65 x 2 - 4 ) x 4 + 66 + 44 - ( 54 : 9 x 9 : 9 + 45 ) : 1 + 1 - 1 x ( 23 + 23 - 23 x 2 +1 ) = 51

b) 4444444444444444444444444444444444444444444444444444444444444444444 : 1

= 4444444444444444444444444444444444444444444444444444444444444444444

c) 3⁰ = 0

d) 1/1 = 1

e)

a) - 530

b) 44444444444444444444444444444444444444444444444444444444444444444444

c) 0

d) 1

e) Em là em

tất cả đều =100

11 + 89 = 100

22 + 78 = 100

33 + 67 = 100

44 + 56 = 100

55 + 45 = 100

66 + 34 = 100

77 + 23 = 100

88 + 23 = 100

99 +   1 = 100