Răspuns:
={37/100:(¹⁰⁰⁾1/4+¹⁰⁾1/40+1/400)+[3/2+(3/9)⁽³]·12-25
=[37/100:111/400+(³⁾3/2+²⁾1/3)]·12-25
=(37/100·400/111+11/6)·12-25
=(14800/11100+11/6)·12-25
=(²⁾4/3+11/6)·12-25
=19/6·12-25
=38-25
=13
_____________
=[30·0,4²-(3,2+0,011:1/100)-3·0,125]:0,5
=[30·0,16-(3,2+0,011·100)-0,375]:0,5
=[4,8-(3,2+1,1)-0,375]:0,5
=(4,8-4,3-0,375):0,5
=0,125:0,5
=0,25
