Question

7x4+7x5+7=

quá-dễ-phải-ko

ai-trả-lời-trước-mih-k-cho

Answer 1

7x4+7x5+7

=7x4+7x5+7x1

=7x(4+5+1)

=7x10

=70

Answer 2

7x4+7x5+7=70

Answer 3

7 × 4 + 7× 5 + 7 = 7 × (4 + 5 + 1) = 7 × 10 = 70.

Answer 4

=7x(4+5+1)

=7x10=70

Answer 5

\(7x4+7x5+7\)

\(=7x4+7x5+7x1\)

\(=7x\left(4+5+1\right)\)

\(=7x10\)

\(=70\)

K mình nha    Trương Ngọc Khả Hân

Ai thấy thì k mình nha!

Answer 6

70 vì 7.10

Answer 7

7 x 4 + 7 x 5 + 7
= 7 x 4 + 7 x 5 + 7 x 1
= 7 x ( 4 + 5 + 1 )
= 7 x 10
= 70

Answer 8

\(7x4+7x5+7=70\)

Answer 9

\(7\)\(x\)\(4\)\(+\)\(7\)\(x\)\(5\)\(+\)\(7\)

\(=\)\(7\)\(x\)\(\left(4+5+1\right)\)

\(=\)\(70\)

\(Tích\)\(cho\)\(mk\)\(nha\)^_-

Answer 10

\(7.4+7.5+7\)

\(=7.4+7.5+7.1\)

\(=7.\left(4+5+1\right)\)

\(=7.10\)

\(=70\)

Làm ơn k mình!