b) 3 - 2.[0,5 + (0, 25 - 1/6) = …………………….
Giải thích
b) 3−2 . 0,5+0,25−16 =3−2 . 12+14−16=3−2 . 12+312−212=3−2 . 12+112=3−2 . 12−2.112=3−1− 16=2− 16=126−16=116
b) 3−2 . 0,5+0,25−16 =3−2 . 12+14−16=3−2 . 12+312−212=3−2 . 12+112=3−2 . 12−2.112=3−1− 16=2− 16=126−16=116