Răspuns :
4×10÷5×4-18÷2×3+68=70
40÷5×4-9×3+68=70
8×4-27+68=70
32-27+68=70
5+68=70
73=70 (fals)
40÷5×4-9×3+68=70
8×4-27+68=70
32-27+68=70
5+68=70
73=70 (fals)
4×10÷5×4-18÷2×3+68=70; 40÷5×4-9×3+68=70; 8×4-27+68=70; 32-27+68=70
5+68=70; 73=70 (fals)
5+68=70; 73=70 (fals)