Question

3. Grupează factorii pentru a calcula rapid.
4 x 93 x 25 =
20 x 43 x 5 x 1 =
2 x 50 x 16 x 2 =
150 x 7 x 2 x 5=​

Answer 1

1). 4×25×93=100×93=9.300

2). 20×5×43×1=100×43=4.300

3). 50×2×16×2=100×32=3.200

4) 150×2×7×5=300×35=10.500