c) -1 2/3-(căn bậc hai 0,25)^2+8/3- căn bậc hai 49/16+3/2
Giải thích
c) −123−0,252+83−4916+32
=−53−0,25+83−742+32
=−53−14+83−74+32
=−53+83+−14−74+32
=33+−84+22+12
=1+−2+1+12=12
c) −123−0,252+83−4916+32
=−53−0,25+83−742+32
=−53−14+83−74+32
=−53+83+−14−74+32
=33+−84+22+12
=1+−2+1+12=12