Tính a) (1+1/2-1/4)^2*(2+3/7)
Giải thích
a) 1+12−142.2+37
=44+24−142.147+37
=542.177
=5242.177
=25.1716.7
=425112.
b) 4:12−133
=4:36−263
=4:163
=4:1363
=4.63
=864.
a) 1+12−142.2+37
=44+24−142.147+37
=542.177
=5242.177
=25.1716.7
=425112.
b) 4:12−133
=4:36−263
=4:163
=4:1363
=4.63
=864.