4.25+7.3+2.75的简便方法怎么算
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4.25+7.3+2.75的简便方法怎么算
4.25+7.3+2.75
=4.25+2.75+7.3
=7+7.3
=14.3
简便方法4.25X23.5十23.5X2.75
4.25x23.5十23.5x2.75
=23.5x(4.25+2.75)
=23.5x7
=164.5
谢谢,请采纳
2.75—0.5*5.4用简便方法怎么算
2.75-0.5×5.4
=0.5×5.5-0.5×5.4
=0.5×(5.5-5.4)
=0.5×0.1
=0.05
21.25-4.25÷1.7用简便方法怎么算
21.25-4.25÷1.7
=21.25-2.5
=18.75
3.75-2.75÷25用简便方法怎么算
解: 3.75-2.75÷25
=3。75-0。11
=3。64
2.75×2.2 0.78×27.5用简便方法怎么算?
2.75×2.2+0.78×27.5
解:简便计算
=2.75x2.2+7.8x2.75
=2.75x(2.2+7.8) 乘法分配律
=2.75x10
=27.5
祝学习进步。
2.8×2.75+6.2×2.75+2.75用简便方法计算该怎么算?
=2.75x(2.8+6.2+1)
=2.75x10
=27.5
用简便方法计算4.25╳101-4.25
4.25╳101-4.25
=4.25×(101-1)
=4.25×100
=425
希望采纳
30.75-14.3+2.75简便方法怎么计算
计算过程如下:
(30.75+2.75)-14.3
=33.5-14.3
=19.2
如果帮到你,望及时采纳
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