Gontarudorina999ask Gontarudorina999ask Matematică a fost răspuns Calculati suma S= 2×a+b-9×ca=( 32÷4+3×2+9÷3+4): [ 10-( 4×5×0) -3:1 ]b= 30+30×30-[30+30÷30)÷30-30÷30]÷30c=[(8+8×8)÷8-(7+7×7)÷7] +10×10×10÷10