(4.25x0.9x4x11x0.5)除以(9x0.5x11)用简便方法怎么做
(4.25x0.9x4x11x0.5)÷(9x0.5x11)
=4.25x0.9x4x11x0.5÷9÷0.5÷11
=4.25x4x(0.9÷9)x(11÷11)x(0.5÷0.5)
=17x0.1x1x1
=1.7
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