Question

89.3✘43+680✘8.93-893✘1.1用简便方法？

Answer 1

简便计算是直接提取公约数89.3得

89.3x(43+68-11)
=89.3x100
=8930

Answer 2

原式=89.3×43+68×89.3-89.3×11
=89.3×（43+68-11）
=89.3×100
=8930

Answer 3

89.3✘43+680✘8.93-893✘1.1用简便方法
89.3×43+68×89.3-89.3×11
=89.3×（43+68-11）
=89.3×100
=8930

Answer 4

89.3×43+680×8.93-893×1.1
=893×0.1×43+6.8×100×8.93-893×1.1
=893×4.3+6.8×893-893×1.1
=893×（4.3+6.8-1.1）
=893×10
=8930

Answer 5

89.3x43+680x8.93-893x1.1
=89.3x43+68x89.3-89.3x11
=89.3x(43+68-11)
=89.3x100
=8930