7.4-7.4+0.4=0.4
3*[(2⁵+2⁴-2³)+25¹⁰-(5⁵)⁴]:(3¹⁰⁰-2¹⁰⁰)=3*2³(4+2-1):(3¹⁰⁰-2¹⁰⁰)=2³*3*5:(3¹⁰⁰-2¹⁰⁰
12+7.4[.3+2*0+21]-155.06=12+7.4*63-155.06=478.2-155.06=323.14
12³+2⁷-2000+1¹⁸=1728+128-2000+1=-143
20+10*[30+2*102:(70-6)]=20+10*(30+2*102:64) ceva nu e bine
7.4-7.4+0.4=0.4