class: center, middle, inverse, title-slide # Calcul Mental ### Vincent Pitou ### LFM --- class: inverse, center, middle # Questions Multiplications par 98 5 questions 10 secondes par question --- # Question 1 .pull-left[# `$$A$$` #$$6 \times 98$$ ] .pull-right[# `$$B$$` #$$98 \times 2$$ ] ??? .pull-left[588] .pull-left[196] --- # Question 2 .pull-left[# `$$A$$` #$$8 \times 98$$ ] .pull-right[# `$$B$$` #$$7 \times 98$$ ] ??? .pull-left[784] .pull-left[686] --- # Question 3 .pull-left[# `$$A$$` #$$4 \times 98$$ ] .pull-right[# `$$B$$` #$$9 \times 98$$ ] ??? .pull-left[392] .pull-left[882] --- # Question 4 .pull-left[# `$$A$$` #$$98 \times 2$$ ] .pull-right[# `$$B$$` #$$98 \times 3$$ ] ??? .pull-left[196] .pull-left[294] --- # Question 5 .pull-left[# `$$A$$` #$$7 \times 98$$ ] .pull-right[# `$$B$$` #$$4 \times 98$$ ] ??? .pull-left[686] .pull-left[392] --- class: inverse, center, middle # RĂ©ponses --- .pull-left[# `$$A$$` ##$$6 \times 98= 588$$ ##$$8 \times 98= 784$$ ##$$4 \times 98= 392$$ ##$$98 \times 2= 196$$ ##$$7 \times 98= 686$$ ] .pull-right[# `$$B$$` ##$$98 \times 2= 196$$ ##$$7 \times 98= 686$$ ##$$9 \times 98= 882$$ ##$$98 \times 3= 294$$ ##$$4 \times 98= 392$$ ]