(-5/8)x(-4)^2-0.25x(-5)x(-4) 计算
2个回答
=-5/8×16-0.25×4×5
=-10-1×5
=-15
相关问题
4x12.5x0.25x8=(4x0.25)x(12.5x8),计算的依据是
简便计算:2.5x(2.4+0.8)x1.25
简便计算题3.2X1.25和1.2X25+0.8X2.5简便计算4.8X0.252.33X0.5X41.5X1051.2
(12.5+0.25)X4X0.8 简便计算
用简便方法计算: (1)0.4x0.08x0.2x12.5x0.25x0.5 (2)4.8x56.
求未知数x. [5/6]x-0.4=3.4 4(x+0.2)=2.4 [5/8]:x=0.25:3 [1.25/0.25
0.5X0.8X0.2X1.25X0.4X2.5
x-25%x=36 3/4x-3/8=0.75 4/5(x-2/5)=8
0.8X0.25X0.4X12.5用简便计算怎么写
①(-5/8)×(-4)⒉-0.25*(-5)*(-4)⒊ ②3x⒉+4x⒉-2x-2(x+2x-1)-x+1其中x=-