1. Oblicz w pamięci: 42 000 000/7000 = 5000/140 = 480 000/120 = 2. Oblicz w pamięci: a) 0.16 x 10 = 0.018 x 100 = 14.2 x 100 = 3.36 x 1000 = b) 23.4 : 10 = 3.14 : 100 = 9 : 1000 = 0.17 : 100 = c) 32.3/10 = 65.4/100 = 1.11/100 =

1. Oblicz w pamięci: 42 000 000/7000 = 6000 5000/140 ≈ 35,71 480 000/120 = 4000 2. Oblicz w pamięci: a) 0.16 x 10 = 1,6 0.018 x 100 =1,8 14.2 x 100 = 1420 3.36 x 1000 = 3360 b) 23.4 : 10 = 2,34 3.14 : 100 = 0,0314 9 : 1000 = 0,009 0.17 : 100 =0,0017 c) 32.3/10 = 3,23 65.4/100 = 0,654 1.11/100 = 0,0111 5.3/1000 =0,0053