Question

ТЕ
Scrie exercițiile, după model, apoi rezolvă:
a) MODEL: 8 x 4 + 8 x 15 = 8 x (4 + 15) = 8 x 19 = 152
3 x 3 + 3 x 23 =
9 x 12 - 9 X 2 =
5 X 4 + 5 X 11 =
6 x 5 - 6 x 3 =
1
1
-
1
9 x 8-5 x 9 =
10 X 9 - 10 x 5 =
b) MODEL: 11 x 6 = (10 x 6) + (1 x 6) = 60 + 6 = 66
9 x 45 =
1
1
18 x 8 =
1
36 x 4 =
12 x 5 =
13 x 3 =
37 x 6 =
1
1
1
1
1
1​

Answer 1

Răspuns:

a) 3(3+23)=3*26=78

9(12-2)=9*10=90

5(4+11)=5*15=75

6(5-3)=6*2=12

9(8-5)=9*3=27

10(9-5)=10*4=40

b)(9*44)+(9*1)=396+9=405

(17*8)+(1*8)=136+8=144

(35*4)+(1*4)=140+4=144

(11*5)+(1*5)=55+5=60

(12*3)+(1*3)=36+3=39

(36*6)+(1*6)=216+6=222