5.5×44+55×54+0.55×200的简便方法?
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5.5×44+55×54+0.55×200
=55÷10×44+55×54+55÷100×200
=55×4.4+55×54+55×2
=55×(4.4+54+2)
=55×60.2
=55×60+55×0.2
=3300+55×2÷10
=3300+11
=3311
=55÷10×44+55×54+55÷100×200
=55×4.4+55×54+55×2
=55×(4.4+54+2)
=55×60.2
=55×60+55×0.2
=3300+55×2÷10
=3300+11
=3311
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5.5×44+55×54+0.55×200的简便方法
=55×4.4+55×54+55×2
=55×(4.4+54+2)
=55×60.4
=3322
望采纳 谢谢~~
=55×4.4+55×54+55×2
=55×(4.4+54+2)
=55×60.4
=3322
望采纳 谢谢~~
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5.5x44+55x54+0.55x200简便计算方法如下:
=55x4.4+55x54+55x2
=55x(4.4+54+2)
=55x60.4
=55x60+55x0.4
=3300+22
=3322
=55x4.4+55x54+55x2
=55x(4.4+54+2)
=55x60.4
=55x60+55x0.4
=3300+22
=3322
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5.5x44+55x54+0.55x200
=55x(4.4+54+2)
=55ⅹ60.4
=3322
=55x(4.4+54+2)
=55ⅹ60.4
=3322
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