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128×5+5×74简算

128×5+5×74 =(128+74)×5 =5×202 =5×200+5×2 =1000+10 =1010

25x5+74x5+5 =5x(25+74+1) =5x100 =500

125×5+5×74 =5x(125+74) =5x199 =5x(200-1) =5x200-5x1 =1000-5 =995 谢谢,请采纳

5.74+2.68+4.26 =(5.74+4.26)+2.68 =10+2.68 =12.68 你好,本题已解答,如果满意 请点右上角“采纳答案”。

=(74+5)✘5/74 =74✘5/74+5✘5/74 =5+25/74 =5又25/74

解:300^[(86一74)X5] =300^[12X5] =300^60 =90000^30 =8100000000^15 =8.1X10^9X8.1X10^14 =65.61X10^23 =6.561X10^24

5.74×1.8÷0.2 =5.74*9 =5.74*(10-1) =5.74*10-5.74 =57.4-5.74 =51.66

25×5+74×5+5 =5×(25+74+1) =5×100 =500 回答完毕~ 有疑问请追问,我一定尽快回复你~ 无疑问请点击【采纳】,同时预祝学习进步~\(^o^)/~ 我不是学霸,叫我赌神~\(^o^)/~~\(^o^)/~~\(^o^)/~~\(^o^)/~

67.3×5.74÷6.73 =67.3÷6.73×5.74 =10×5.74 =57.4

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