Răspuns :
3×7+2= 21+2=23 23/7
8×9+5=72+5=77 77/9
3/2×7/10= 21/20
3/5:6/7= 3/5×7/6= 21/30, simplificam cu 3, 7/10
8×9+5=72+5=77 77/9
3/2×7/10= 21/20
3/5:6/7= 3/5×7/6= 21/30, simplificam cu 3, 7/10