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240-(40+60)=140                              56:8.5=35                             9.3-8.3=3                             (98-8):9=10

242-(76+24)=142                              24:6:4=1                               4.7-4.3=16                           (48-6):7=6

434-(56+44)=334                              18:6:3=1                               8.8-6.4=40                           (48+6):6=9

832=8հ+3տ2մ=800+30+2             521=5հ+2տ+1մ=500+20+1           23=2տ+3մ=20+3              305=3հ+0տ+5մ=300+0+5                420=4հ+2տ+0տ=400+20+0         600=6հ+0տ+0մ=600+0+0             40=4տ+0մ=40+0              435=4հ+3տ+5մ=400+30+5                761=7հ+6տ+1մ=700+60+1           45=4տ+5մ=40+5              430=4հ+3տ+0մ=400+30+0           200=2հ+0տ+0մ=200+0+0                                50=5տ+0մ=50+0