| Question | Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct. 68 * 138* 23 * 54 * 20 | |
| Type | multiple_choice | |
| Option | +, ÷, −, = | correct |
| Option | =, ×, +, ÷ | incorrect |
| Option | ×, +, −, = | incorrect |
| Option | ×, +, =, ÷ | incorrect |
| Solution | Take option A, 68 + 138 ÷ 23 – 54 = 20 LHS = 68 + 138 ÷ 23 – 54 = 68 + 6 – 54 = 20 LHS = RHS Hence, option A is correct. | |
