( 15 – 5 ) × ( 3 + 3 )

الحل :

          ( 15 – 5 ) × ( 3 + 3 ) = 10×6

                                        =  60

58 – 6 × 7

الحل :

          58 – 6 × 7 = 58- 42

                          =  16

23 + 4 × 8

الحل :

          23 + 4 × 8 = 32+32

                          =  64