Explicație pas cu pas:
h) 8000 - ( 11 + 55) :2x78-574-3000=
= 8000- 66:2x 78-574-3000=
= 8000- 33x78-574-3000=
=8000-2574-574-3000=
= 5426-574-3000=
= 4852-3000=
=1852
i) 9900-435-5526+68:4×17=
=9465-5526+17x17=
= 3939+17x17=
=3939+289=
=4228
j) 14x( 100-22)+6630-43×21=
= 14x78+6630-903=
=1092+6630-903=
= 7722-903=
=6819
