Practice problem
Which of the following is not equal to 41×3241 \times 3241×32?
(40+1)(30+1+1)(40 + 1)(30 + 1 + 1)(40+1)(30+1+1)
(40)(30)+(40)(1)+(40)(1)+(1)(30)+(1)(1)+(1)(1)(40)(30) + (40)(1) + (40)(1) + (1)(30) + (1)(1) + (1)(1)(40)(30)+(40)(1)+(40)(1)+(1)(30)+(1)(1)+(1)(1)
(40)(1)+(30)(1)+(30)(1)+(30)(1)(40)(1) + (30)(1) + (30)(1) + (30)(1)(40)(1)+(30)(1)+(30)(1)+(30)(1)
1200+40+40+30+1+11200 + 40 + 40 + 30 + 1 + 11200+40+40+30+1+1
Type a concept, like “slope” or “photosynthesis”.
