Question

a) 88 + 888 + 12

b) 13 + 133 + 187

c0 21 . 61 + 21 . 30

Answer 1

a, 988

b,333

c,1911

Answer 2

a) = ( 88 + 12 ) + 888 = 100 + 888 = 988

b) = ( 13 + 187 ) + 133 = 200 + 133 = 333

c) = 21 ( 61 + 30 ) = 21. 91 = 1911

Answer 3

88+888+12=988

13+133+187=333

21.61+21x30=1911

Answer 4

a) 88 + 888 + 12 = 988

b) 13 +133 +187 = 333

c) 21. 61 + 21 . 30 = 1911

Chúc bạn học tốt !

Answer 5

a) 88+888+12=988

b) 13+133+187 = 333

c) 21x61+21x30 = 1911

\(#LTH\)

Answer 6

a) 88 + 888 + 12=988

b) 13 + 133 + 187=333

c0 21 . 61 + 21 . 30=1911

hok tốt