(3.14×7.42+2.58×3.14)÷(3.25+3.14-314)
(3.14×7.42+2.58×3.14)÷(3.25+3.14-314)
简便运算:(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)
10.28÷3.14÷2×3.14÷2等于多少
1999*3.14+199.9*31.4+19.99*314 简算
1*3.14~100*3.14
1.5÷[45-(13×3.14×92)÷(3.14×6
21×3.14+62×3.14+17×3.14
3.14*5.6+3.14*5.4-3.14怎么算
1999*3.14 199.9*3.14 19.99*3.14=?
3.14*7.3+3.7*3.14-3.14简便运算
12.56÷3.14÷2=?
3.14×11