Question

tinh nhanh

58 nhan 42 cong 32 nhan8 cong 5 nhan 16

Answer 1

   58 x 42 + 32 x 8 + 5 x 16

= 58 x 42 + 2 x 16 x 8  + 5 x 16

= 58 x 21 x 2 + 16 x ( 2 x 8 + 5 )

= 58 x 21 x 2 + 16 x 21

= 21 x ( 58 x 2 + 16 )

= 21 x ( 116 + 16 )

= 21 x 132

= 2772

Answer 2

= 2772

Answer 3

58x42+32x8+5x16=2772

Answer 4

số càn tìm lả

58 * 42 + 32 *8+5*16= 2772 

     đáp số 2772

Answer 5

58 x 42 + 32 x 8 + 5 x 16 = 2772

Answer 6

58 × 42 + 32 × 8 + 5 × 16

= 2772

Answer 7

2772 nha

Answer 8

\(58x42+32x8+5x16\)

\(=58x2x21+16x2x8+16x5\)

\(=116x21+16x16+16x5\)

\(=116x21+16x\left(16+5\right)\)

\(=116x21+16x21\)

\(=21x\left(116+16\right)\)

\(=21x132=2772\)

Answer 9

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