Matematică
iulius
7

s)(8*9+s-5*8)-(30-5*2+5)=100:2:2 t) (36-5*6-t)+9*8-7*10=4*7:7 u)(7*7-6*6+u-24:3-2*10=81-9 v)(v-5*5-2*8)+6*5-5*10=6:2 x)(x+8*2+6*8)-8*9+8*8=6*10+2*4 y)(y+5*5)-6*6=40:2+3 z)(6*9-z)-3*10+16:2=4*3*1

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(1) Răspunsuri
robertrares45

s) (72+s-40)-(30-10+5)=25 32+s-25=25 7+s=25 s=18 t)(36-30-t)+72-70=4 6-t+2=4 8-t=4 8-4=t t=4 u)(49-36+u)-8-20=72 -15+u=72 u=72+15 u=87 v)(v-25-16)+30-50=3 v-41+30-50=3 v-61=3 v=3+61 v=64 x)(x+16+48)-72+64=60+8 x+64-72+64=68 x+72=68 x=68-72 x=-4 y)y+25-36=20+3 y-11=23 y=23+11 y=34 z)54-z-30+8=12 32-z=12 -z=12-32 -z=-20/*(-1) z=20

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