(25.5+7x29) 2+[230-(38x2x1+91- → [(357 7+344.8):21x31+17-(500:4+ 7)- (28x5+30):10+729:9-125x(39-19x2)]= (57x2:3)+32x450-[39x(4+2):2]+8= [(248:8-21x1):10]+(500:50+800:20) -- 29x3-38+[2000-(17x2+39x1:3) → 68:2+(564:6H31x2+15x3-117:3)]= (294734) 2]+350x100-34121- 234.9+[4000-(31+7)x15] 5-219:3= → (31x3+74x5-32x9)-(200:20+(1000-693)]- → 400+480:4+[68:2+4x(20+12+18) - [1-5x7-2x15):2x(2x8-15) (3:(1+147)+21- 98+8x[1004-4x(82x2-4,4x2)]- [1+2x(6+6:3)-5):6- 1000-1409x(6:3)+56,825) (35.7+21.7)x7+(3+9:3+27)]x7- (24x6+39x5)-2]+(2000-300:30) |(28x52x10x51131(00.5+112:45-831-​