Question

2.
75 X 6 -
6 x 79
Observă modelul si efectuează:
7 x 37 = 7 x (30 + 7)
85 x 9
= 7 x 30 + 7 x 7
5x 74 -
= 210 + 49
8 x 49
= 259
5 x 84
4 x 36
38 x 6
7x54
9x96
48 x 8
7 x 88
. 35
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Answer 1

85 × 9 = 9×(80+5)

5 × 74 = 5×(70+4)

8 × 49 = 8×(40+9)

5 × 84 = 5×(80+4)

4 × 36 = 4×(30+6)

38 × 6 = 6×(30+8)

7 × 54 = 7×(50+4)

9 × 96 = 9×(90+6)

48 × 8 = 8×(40+8)

7 × 88 = 7×(80+8)