350×4444 ➕2222×250简便算法？

2222*6666+4444*6667简便的算法

4444*5555+6*2222*4444 =4(1111)*5(1111)+6*2*4*1111*1111 =20*1111*1111+48*1111*1111 =68*1111*1111 =68*(1000+100+10+1)*(1000+100+10+1) =(68000+6800+680+68)*(1000+100+10+1) =75548*(1000+100+10+1) =75548000+7554800+755480+75548 =83933828

4444*3889 2222*2222的简便方法

4444x2222+8888x3889=4444x2222+4444x2x3889=4444x2222+4444x7778=4444x(2222+7778)=4444x10000=44440000

用简便算法计算222.2*66.66/3.333=

222.2*66.66/3.333=2222*(6.666/3.333)=2222*2=4444

9999✘4444/3333/2222怎样算简便?

9999x4444/3333/2222=3x4444/2222=3x2=6以上就是简便方法.

666.66*7778+333.33*4444 简便方法计算

666.66*7778+333.33*2*2222=666.66*(7778+2222)=666.66*10000=6666600

2222乘2222用简便方法计算??

2222x2222=2222*(2000+200+20+2)=2222*2000+2222*200+2222*20+2222*2=4444000+444400+44440+4444=4937284

9999*4444/(3333*2222)简便运算

9999*4444/(3333*2222)= (9999/3333) * (4444/2222)= 3*2= 6

111*4444+778*2222 用简便方法计算

3333x4444+2222x3334=6666x2222+2222x3334=(6666+3334)x2222=10000x2222=22220000

4444x3333x2222x3334简便计算

4444x3333+2222x3334简便计算4444x3333+2222x3334=2222*2*3333+2222*3334=2222*(6666+3334)=2222*10000=22220000

3333*4444+3334*2222的简便计算

3333*4444+3334*2222=2222(3333*2+3333+1)=2222(9999+1)=22220000