(7× 12)+10\div 2-11

解答

(7 \times 12) + 10 \div 2 - 11

78

求解步骤

(7 \times 12) + 10 \div 2 - 11

遵循 PEMDAS 运算顺序

计算括号内的值

(7 \times 12) : 84

7 \times 12

7 \times 12 = 84

= 84

= 84 + 10 \div 2 - 11

乘除（左右）

10 \div 2 : 5

10 \div 2

10 \div 2 = 5

= 5

= 84 + 5 - 11

加减（左右）

84 + 5 - 11 : 78

84 + 5 - 11

84 + 5 = 89

= 89 - 11

89 - 11 = 78

= 78

= 78

1 - 5 (\frac{4}{19})

5 - [6 - 2 (1 - 8) - 3 + 6] + 5

\frac{1}{2} 7 (11 + 15)

17 - 6 \times 3

(- 3) \times (- 2) + (- (- (6)))