Question

Va rog ajutați-mă! dau 40 de puncte

Answer 1

a)297÷33=9

297÷33÷3=9÷3=3

297÷33×19=9×19=171

396÷33=12

396÷33÷3=12÷3=4

396÷33×19=12×19=128

495÷33=15

493÷33÷3=15÷3=5

493÷33×19=15×19=185

b)960÷40=24

960÷40÷2=24÷2=12×109=1308

640÷40

Answer 2

a)297:33=9
396:33=12
495:33=15
297:33:3=3
396:33:3=4
495:33:3=5
297:33×19=171
396:33×19=228
495:33×19=285

b)960:40=24
640:40=16
440:40=11
960:40:2=12
640:40:2=8
440:40:2=5,5
960:40×109=2616
640:40×109=1744
440:40×109=1199