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102x85简便计算

102x85=(100+2)x85=100x85+2x85=8500+170=8670 再看看别人怎么说的.

102x85简便计算=(100+2)*85=100*85+2*85=8500+170=8670

102x75=(100+2)*75=7500+150=7650

102x45=(100+2)*45=100*45+2*45=4500+90=4590小同学,请采纳,谢谢 了

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=100x57+2x57=5814

76X102=76*(100+2)=76*100+76*76*2=7600+152=7752

102*99 =100*99+2*99 =9900+198 =10098 你好,本题已解答,如果满意 请点右上角“采纳答案”.

(100+2)x36=100x36+36x2=3600+72=3672

102*39=(100+2)*39=100*39+2*39=3900+78=3978

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