| Question | Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 84 42 * 7 * 5 * 21 * 93 | |
| Type | multiple_choice | |
| Option | +, ÷, −, ×, = | incorrect |
| Option | ×, ÷, +, −, = | incorrect |
| Option | +, ÷, ×, −, = | correct |
| Option | ÷, +, ×, −, = | incorrect |
| Solution | +, ÷ , x , – , = After put the mathematical sing we get: = 84 + 42 ÷ 7x 5 – 21 = 93 = 84 + 6 x 5 – 21 = 93 = 84 + 30 – 21 = 93 = 114 – 21 = 93 = 93 = 93 ⇒ LHS = RHS | |
