?21/4#*?18/7# = 13_?2/4_# 384*35% = 384*0.35 = 134.4 85/3_?2/5_# = 25 102/85% = 102/0.85 = 120 ?16/28# ?4/7# ?28/16# ?7/4# 80*4 = 320 320+80 = 400 1+0.7*1.5 = 2.5 1+?1/5#*3500 = 4200 28*1+25% = 35 1+?1/6#*78 = 91 6x/2 = 27 6x/2*2 = 27*2 6x = 54/6 = 9 240/500 = 0.48 3.5/2.5 = 1.4 2.8*1+4 = 14 17*1+6 = 119 30/?5/6# = 36 144/?6/7# = 168 1670*1+30% = 2171 30+5y = 100 30+5y-30 = 100-30 5y = 70/5 = 14 12y-15 = 129 12y-15+15 = 129+15 12y = 144/12 = 12 22+x/5 = 28 22+x/5-22 = 28-22 = 6*5 = 30 y/8-37 = 15 y/8-37+37 = 15+37 = 52*8 = 416 1+0.8*20 = 2.8*20 = 56 1+1.6*45 = 2.6*45 = 117 20-4 = x*1+2054 = x*1+30% = 2054 x*1.3/1.3 = 2054/1.3 = 2580 15*2.4 = 36 36-15 = 21 15*2.4-1 = 15*1.4 = 21 200000*1-55% = 90000 30*1-?5/3# = 30*?2/5# = 12 3*6-9 = 9 20-5*2 = 10 x-75 = 87*4 x-75 = 348 348+75 = 423 y/4 = 7 y = 7*4 = 28 7*5+x = 48 35+x = 48 x = 48-35 = 13 x*3.5-1 = 50 x*1-4% = 240 |
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