2.6×8/25+0.32×8.4-8÷25
=2.6×0.32+0.32×8.4-0.32
=0.32×(2.6+8.4-1)
=0.32×10
=3.2
2.6×8/25+0.32×8.4-8÷25的简便计算过程如下:
2.6×8/25+0.32×8.4-8÷25
=2.6×0.32+0.32×8.4-0.32
=(2.6+8.4-1)×0.32
=10×0.32
=3.2
2.6×8/25+0.32×8.4-8÷25
=2.6×8/25+8/25×8.4-8/25
=(2.6+8.4-1)×8/25
=10×8/25(约分)
=16/5(或3又1/5)
解:依题意得:
2.6×8/25+0.32×8.5-8÷25
=2.6×0.32+0.32×8.5-0.32
=0.32×(2.6+8.5-1)
=0.32×10.1
=0.32×(10+0.1)
=0.32×10+0.32×0.1
=3.2+0.032
=3.232。
原式=2.6×8/25+8/25×8.4-8/25
=8/25×(2.6+8.4-1)
=8/25×10
=3.2