一、简便计算: 姓名( ) 2.5×12.5×4×8 5.03-2.14-1.86 90.5×99+90.5 24×0.125+76× 2.4+2.81+14.6+23.19 17.5÷2.5÷0.4 18 89.73-(9.73-4.5) 24×(114+3-18) 1.25×2.5×32 0.6×3.3+35×7.7-0.6 5.7×102 (23+14-38)×24 6.25-2.63-1.37 78×1213+78÷13 14.5×9÷14.5×9 712+215-710)÷160 192012×2013 (3518+6-12)×48 4-1÷4-14×3 26733×13+13÷2 1-455)÷9+(13.8-13)÷59 ( ( 7161152×18-2÷ 2.2×3.83+2×5.17+2 1.3-+9.7- 167 6.83-2.52-1.48 17×613+713÷7 57-(57-517) 二、解方程: 320:36%=6.5:X 55524×17+1924÷7 12.88÷25÷4 7.2×14+0.25×2.8 1.6X-25X+6=10 77 427×29-427×20 228919-17-17 12578×8 2X+4.5×3=14.5 本文来源:https://www.wddqw.com/doc/2203b1cf2379168884868762caaedd3382c4b5e0.html