0.111x6.8+0.888x0.4
=0.111x(6.8+8x0.4)
=0.111x(6.8+3.2)
=0.111X10
=1.11
4.5x36+9x32
=4.5x2x18+9x32
=9x(18+32)
=9x50
=450
计算下面各题,能简便运算的要简便运算.0.111X6.8+0.888X0.4 4
0.111x6.8+0.888x0.4
=0.111x(6.8+8x0.4)
=0.111x(6.8+3.2)
=0.111X10
=1.11
4.5x36+9x32
=4.5x2x18+9x32
=9x(18+32)
=9x50
=450