jab121805
jab121805
12-04-2018
Mathematics
contestada
Use mental math to multiply. 12×26
Respuesta :
sqdancefan
sqdancefan
12-04-2018
There are many ways to do this.
1. 12 * 26 = (10 +2)*26 = 260 +52 = 312
2. 12*26 = (10*20) +10*(1*6 +2*2) +(2*6) = 200 +100 +12 = 312
3. 12*26 = 4*3*26 = 4*78 = 2*156 = 312
4. 12*26 = 3*4*26 = 3*2*52 = 3*104 = 312
Answer Link
VER TODAS LAS RESPUESTAS ( 92+ )
Otras preguntas
What's the difference between non-living and dead things?
mom paid $2.40 for a 3/4 pound of cereal, how much is that per pound
Given f(x)=x^3+2x^2 and g(x)=3x^2-1,find the following and state their domains. a)f+g b)f-g c)fg d)f/g
why does a simple oscillating pendullum not produce a vibrating sound
Help me solve for U please help
i dont know how to round to the nearest percent
Use trigonometric identities to transform the left side of the equation to the right side Tan theta cot theta = 1
Use the percent proportion to solve each problem Round to the nearest tenth 37 is what percent of 58? 30 is 75% of what number
5 facts about plant and animal cells
Simplify the given expression: (6 + 2i) − (8 − 3i)