Question

Ajutorrr dau coroana toate 10 exerciții

Answer 1

1.

1049-cel mai mic de 4 cirfe

9410-cel mai mare de 4 cirfe

2.

a)30×15+444=450+444=894

375-17×20=375-340=35

b)40×(189-95)=40×94=3.760

(128+674)×7=802×7=5.614

c)15×60-12×60=900-720=180

6×(2+18-10)=6×(20-10)=6×10=60

d)12×9+4×150=108+600=708

392×10-(4×5+16)=3.920-(20+16)=3920-36=3.884

3.

a=54÷9×8

a=6×8

a=48

b=3×2×1

b=6×1

b=6

c=5×8÷10

c=40÷10

c=4

4.

a)6000+4×100+5×10+8=6000+400+50+8=6400+58

=6458

b)9000+9×100+9×10+8=9000+900+90+8=9900+98

=9998

5.

a)

12-12×6=72

36-36×6=216

42-42×6=252

66-66×6=396

b)

12-12+6=18

36-36+6=42

42-42+6=48

66-66+6=72

c)

12-12-6=6

36-36-6=30

42-42-6=36

66-66-6=60

d)

12-12÷6=2

36-36÷6=6

42-42÷6=7

66-66÷6=11

6.

(9×8)+(52×100)=72+5200=5472

7.

(1097+7508)-96÷3=8.605-32=8.573

8.

a)3,2,8

b)8,5,6

c)2,5,10

d)10,10,6

9.

2,8,10 si 2

10.

1,2,3,4,6,9,12,18,36

SUCCES