2.5×(10.8-9.76)怎样简算
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![2.5×(10.8-9.76)怎样简算](/uploads/image/z/106559-71-9.jpg?t=2.5%C3%97%2810.8-9.76%29%E6%80%8E%E6%A0%B7%E7%AE%80%E7%AE%97)
2.5×(10.8-9.76)怎样简算
2.5×(10.8-9.76)怎样简算
2.5×(10.8-9.76)怎样简算
2.5×(10.8-9.76)=2.5X(10-9)+2.5X(0.8-0.76)=2.5+0.1=2.6
2.5×(10.8-9.76)
=2.5×[(10+0.8)-(10-0.24)]
=2.5×[(10-10)+(0.8+0.24)]
=2.5×(0.8+0.24)
=2.5×1.04
=2.5×(1+0.04)
=2.5+0.1
=2.6