脱式计算:
(124﹣85)×12÷26 (75+360)÷(20﹣5) 19.92+14.4﹣9.92
85.7﹣(15.3﹣4.8) 9.5+4.85﹣6.13 40﹣(2.75+0.86)
脱式计算:
(124﹣85)×12÷26 (75+360)÷(20﹣5) 19.92+14.4﹣9.92
85.7﹣(15.3﹣4.8) 9.5+4.85﹣6.13 40﹣(2.75+0.86)