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375 299的简便运算

375减299简便计算回答:375减299简便计算 =375-300+1 =75+1 =76

375-298的简便方法375-298 =375-300+2 =75+2 =77

375-298简便计算回答:375-300+2 =75+2 =77

375+999怎么简便计算(用脱式计算的格式.)=375+(1000-1)=375+1000-1 =1375-1 =1374

375375 简便计算375×375 =(400-25)²=400²+25²-25×400×2 =160000+625-20000 =140625 用差平方公式来做。

375十199 的简便运算375+199 =375+(200-1)=375+200-1 =575-1 =574

375-298简便运算,托式应该是 =375-(298+2) =375-300 =75-2 =73

375+999怎么简便计算(用脱式计算的格式.)=375+(1000-1)=375+1000-1=1375-1=1374

375-298的简便算法,要列梯等式.还有,296X25、41X99+41375-298=375-(300-2)=375-300+2=75+2=77296×25=(300-4)×25=300×25-4×25=

375-298怎么简便计算kkkkkkkkkkkkkkkkkkkkkkkkkkkkk375-298=375-(300-2)=375-300+2=75+2=77

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