25点六减零点二三加五点六的和减一点七七的要简便方法计算
25点六减零点二三加五点六的和减一点七七的要简便方法计算
25.6-(0.23+5.6)-1.77
=25.6-0.23-5.6-1.77
=25.6-5.6-0.23-1.77
=20-(0.23+1.77)
=20-2
=18
25点六减零点二升加五点六减一点七七的简便运算
25.6-0.2+5.6-1.77=(25.6+5.6)-0.2-1.77
=31.2-0.2-1.77
=31-1.77
=29.23.
三点七六乘零点二五加25减8简便计算
三点七六乘零点二五加25减8简便计算
三点七六乘零点二五加25减8
=3.76*0.25+25-8
=0.94+17
=17.94
一点二三减一点二三乘零点七六怎样简便计算
1.23-1.23*0.76=1.23*(1-0.76)=1.23*0.24=1.23*0.2+1.23*0.04=0.246+0.0492=0.2952
一点七减一点七乘零点七加零点二的和能不能简便
原式=1.7-1.7x(0.7+0.2)
=1.7-1.7x0.9=1.7x1-1.7x0.9
=1.7x(1-0.9)
=1.7x0.1
=0.17
一点七六减零点七是加零点二六的和除以零点八怎么简算
原式=(1.76-0.7+0.26)÷0.8
=1.32÷0.8
=1÷0.8+0.32÷0.8
=1.25+0.4
=1.65
四点七减一点八四减零点一六减二点七的简算
原式
=4.7-1.84-0.16-2.7
=(4.7-2.7)-(1.84+0.16)
=2-2
=0
五点七减一点二六减三点零四脱式计算
五点七减一点二六减三点零四脱式计算
五点七减一点二六减三点零四
=5.7-1.26-3.04
=5.7-(1.26+3.04)
=5.7-4.3
=1.4