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98×(-15)pe -14×(20-4×10)

Răspuns :

98 × ( - 15 / - 14 ) × ( 20 - 4 × 10 ) =

98 × ( - 15 / - 14 ) × ( 20 - 40 ) =

98 × ( - 15 / - 14 ) × ( - 20 ) =

- 98 × ( - 15 / - 14 ) × 20 = ( se simplifică - 98 cu - 14 )

- 7 × 15 × 20 = - 2100

98 × ( - 15 / - 14 ) × ( 20 - 4 × 10 ) =

98 × 1, 0 ( 714285 ) × ( 20 - 40 ) =

105 × ( - 20 ) = - 2100