3.14×6.8+31.4×0.32
1999*3.14+199.9*31.4+19.99*314 简算
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
计算:3.68×15.7-31.4+15.7×0.32=______.
75-(6.8+0.32×0.25×12.5) 简便计算
75-(6.8+0.32*0.25*12.5)怎么简便运算?
6.8 ×25分之8+0.32×4.2-8÷25
简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
计算:2.1×31.4+62×3.14+0.17×314
3.14×1.25+31.4×0.035+0.314×84 简便计算
1999*3.14+199.9*31.4-19.99*314的简便运算