№1. Вычислите.

24 – 16 : 4 =

25 – 15 : 3 =

6 * 4 + 2 =

23 – 12 : 4 =

19 – 3 * 6 =

14 : 7 + 30 =  

№2. Выполните вычисления.

50 + 40 – 30 =

69 + 20 – 40 =

40 – 20 + 30 =

50 – 40 + 70 =

80 -20 + 30 =

100 – 30 – 50 =