Question

Dau 100 de puncte! Urgent

Answer 1

1) e= 99; d= 99:3=33; c= 2x33=66; b=66:3= 22; a= 5x22=110; 2) e= 4x21= 84; d= 2x84= 168; c= 168-96=72; b=72:2=36; a=36:9=4; 3)e= 5x90= 450; d=450:2= 225; c= 225+51= 276; b=276:3=92; a=92+15= 107 ; 4)e=19x6= 114; d= 114:6= 19; c= 19+13=32; b= 32x9= 288; a= 300-288= 12; 5)e= 207:9= 23; d= 50-23= 27; c= 27:3= 9; b= 9:9=1; a= 10:1= 10; 6) e=10x5= 50; d= 250+50= 300; c=300:10=30; b=30x3=90; a=90:90=1