(1+3.78+4.56)×(3.78+4.56+0.2)-(1+3.78+4.56+0.2)×(3.78+4.56)
(1+3.78+4.56)×(3.78+4.56+0.2)-(1+3.78+4.56+0.2)×(3.78+4.56)
2.69*4.56+4.56*6.33+4.56,5.45*24*0.2-3.45*4.8,4.26*52.7+35.2
(-2.4)+4.56+(-5.6)+(-4.56)
简便运算3.78×99+3.78
简便计算 (1)8.23-(4.56-1.77)-1.34 (2)(3*0.5/3*0.5)*(2-1.8+0.2)(3
8/9+4.56+1/9+5.44.
简便计算:(1)4.56×0.27+4.56×0.63+0.456 (2)5.85+6.13+3.87-1.85 (3)
13.6-3.78+5.4-6.22
【14又1/3-(3.78-3.78÷1又2/7)×1又2/3+40×40%】÷28又14/15
4.56×99+4.56用简便计算
简便运算[8.62-(3.78+2.62)]\0.6
4.56=?秒