50 ×12.5+ 1.25 ×321 -125 ×0.21怎样算简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 06:17:28
50 ×12.5+ 1.25 ×321 -125 ×0.21怎样算简便
50 ×12.5+ 1.25 ×321 -125 ×0.21怎样算简便
50 ×12.5+ 1.25 ×321 -125 ×0.21怎样算简便
50x12.5+1.25x321-125x0.21 =500x1.25+321x1.25-1.25x21 =1.25x(500+321-21) =1.25x800 =1000
50 ×12.5+ 1.25 ×321 -125 ×0.21怎样算简便
0.8×(12.5+1.25)的简便计算
(12.5+1.25)×0.8简便计算.
1.25×17.6+36.1÷0.8+2.63×12.5
1.25×17.6+36.1÷0.8+2.63×12.5
1.25×17.6+36.1÷0.8+2.3×12.5
2.65×(-1.25)-12.5×13.5+0.125×3980要简便
1.25x4.48+12.5x0.352用简便方法
1.25×17.6+36÷0.8+2.64×12.5记住简便算法
32.5×1.25+715×0.125+215÷8-2.55×12.5
简算 2.02×8.5 1.25+4.6+0.75 1.6×7.5×1.25简算2.02×8.5 1.25+4.6+0.751.6×7.5×1.25 56×1.25 3.4×7×1.5 0.8×0.25×0.4×12.5
12.5*1.9-1.25-1.25-1.25(简便运算)
1.25×99+1.25
123123×321+321321×123
12.5*12.5*1.25的简便算法
265x(-1.25)-12.5x13.5+0.125x3980的简便法答的好给50
用因式分解方法做简便计算一 .12.5^2-12.5×5+6.25 二.21.5^2-3×21.5+1.5^2-100 三.125×0.45-12.5×6.7+1.25×122
简算8.9*12.5-0.9*1.25