- 计算:2.89×4.68+4.68×6.11+4.68=______.
- 计算:12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23.
- 0.00…0983个0125×0.00…01028个024(x-4)×13=14x-161-13-712+920-1130+13
- 计算:4.8×17.4×6.25-37.5×0.174×5.•3=______.
- 计算:(1)3.75×4.23×36-125×0.423×2.8(2)1110+2110+3110+…+9110+10110-11465-12465-…-19465-20465(3)如:a※b=2a-b成立...
- 计算:1.•82•5-•8=______.(8、2、8的上面有循环点)
- 计算:1.996+19.97+199.8=______.
- 计算:75×4.7+15.9×25=______.
- 有两个小数:a=0.00…01051994个0,b=0.00…0191996个0.求a+b,a-b,a×b,a÷b.
- 计算:3.6×42.3×3.75-12.5×0.423×28=______.
- (0.s4×2400×0.25+s×ss4+2三.25÷七s)÷2七s+8.
- (2大大2•宜宾县模拟)2.大大g×4手+2大.大g×2.g+2大大.g×大.28=______.
- (9.25-4.75)×40.691÷0.92+0.576÷0.92-0.267÷0.92=______.
- 91.5+22.2+90.t+t70.4+29.6+126.7+91.2=______.
- 0.3125×457.w3×32=______.