3.6×2.5 4.8×7.8+78×0.52(怎样变化?)简便运算

4.8×7.8+78×0.52(怎样变化?)简便运算  

4.8×7.8+78×0.52(怎样变化?)简便运算, 4.8*7.8+78*0.52怎么用简便运算

4.8×7.8+78×0.52
=4.8×7.8+7.8×10×0.52
=4.8×7.8+7.8×5.2
=(4.8+5.2)×7.8
=10×7.8
=78

小学数学简便运算4.8×7.8＋78×0.52

方法一：= 4.8×7.8＋7.8×5.2
=(4.8＋5.2)×7.8
= 10 ×7.8
=78
方法二：= 0.48×78＋78×0.52
=(0.48＋0.52)×78
= 1×78
=78

7.8+78×0.52的简便运算，急需啊！

7.8+78X0.52
=78X（0.1+0.52）
=（100-22）X0.62
=100X0.62-20X0.62-2X0.62
=62-12.4-1.24
=62-13.64
=48.36

4.8×7.8+78×0.52怎么算简便？

4.8×7.8+78×0.52
=4.8 x 7.8 + 7.8 x 5.2
=4.8 x ( 4.8 + 5.2 )
=4.8 x 10
=48

简便计算 4.8×7.8+78×0.52

;4.8×7.8+78×0.52=  0.48×78+78×0.52=78x(0.48+0.52)=78x1=78
记得采纳啊

4.8×7.8+78×0.52简便计算

4.8×7.8+78×0.52
=7.8x(4.8+5.2)
=7.8x10
=78