Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
(130 * 4) * 48 * 8 * 8* 21 * 485 * (32 * 2)
A. +, -, ×, =, ×, -, ×, +
B. ÷, +, -, ×, =, -, ×, –
C. ×, -, +, ÷, =, -, ÷, +
D. ×, -, ÷, +, -, =, +, ÷
Sol:
(130 * 4) * 48 * 8 * 8* 21 * 485 * (32 * 2)
Put the sign form option 4
×, -, ÷, +, -, =, +, ÷
(130 × 4) – 48 ÷ 8 + 8 – 21 = 485 + (32 ÷ 2)
520 – 6 + 8 –21 = 485 + 16
501 = 501.
