314×0.043+3.14×7.2-31.4×0.15
用简便方法计算:314×0.043+3.14×7.2-31.4×0.15.
1999*3.14+199.9*31.4+19.99*314 简算
计算:2.1×31.4+62×3.14+0.17×314
1999*3.14+199.9*31.4-19.99*314的简便运算
求3.14×78+0.314×0.78+314×0.22+31.4的简便算法,
利用因式分解计算32×3.14+5.4×31.4+0.14×314=______.
(3.14×7.42+2.58×3.14)÷(3.25+3.14-314)
3.14*26.4+31.4*7.35+0.314简便
35*31.4+65*3.14简便运算
3.14*625+31.4*17.44+3.14用简便运算
要用简便算法314*0.82+31.4*0.8+31.4 53×0.03-0.7÷30
简便计算1999*3.14+199.9*3.13+19.99*314