Question

afa termenii necunoscuții din urmatoarele :a+3×8=52 ;2×7+b=40;c-6×3=39;10×3-d=15;e-3×6=63;9×3-f=21;g-5×3=49;4×3+h=71;

Answer 1

a+24=52;a=52-24=26   ;14+b=40;b=40-14=26   ;c-18=39;c=39+18=57  ;30-d=15;d=30-15=15   ;e-18=63;e=63+18=81;27-f=21;f=27-21=6  ;g-15=49;g=64   ;12+h=71;h=71-12=59

Answer 2

a+24=52,a=52-24,a=28;/14+b=40,b=40-14,b=26;c-18=39,c=39+18,c=57;30-d=15,d=30-15,d=15;e-18=63,e=63+18,e=81;27-f=21,f=27-21,f=6;g-15=49,g=49+15,g=64;12+h=71,h=71-12,h=59