Question

5*2× 10-80 2 × 10 - 200 ×2× 10-800 * 10 - 80 40 * 20-800 40 40 × × 2 - 800 30 × 10 ×-900 3 × 10 × = 90 2x2x=800​

Answer 1

Răspuns:

Explicație pas cu pas:

?x2x10=80

?x20=80

?= 80:20

?= 4

4x2x10=80

-

?x2x10=200

?x20=200

?=200:20

?=10

10x2x10=200

-

?x2x10=800

?x20=800

?=800:20

?= 40

40x2x10=800

-

4x?x10=80

?x40=80

?=80:40

?=2

4x2x10=80

-

40x?x20=800

?x800=800

?= 800:800

?= 1

40x1x20=800

-

40x? x2 = 800

?x80=800

?= 800:80

?= 10

40x10x2=800

-

30x10x? =900

300x?=900

?= 900:300

?= 3

30x10x3=900

-

3x10x?=90

30x?=90

?=90:30

?=3

3x10x3=90

-

2x2x? =800

4x?=800

?= 800:4

?= 200

2x2x200=800