Trapezoid has a large bottom 2.8dm, bottom child: 1.6dm, height 0.8dm.
a) Calculate the area of cardboard?
b) Cut a quarter of the area. Calculate the area of the cardboard remaining?
Calculate: 5560 : (556:14) =
Calculate: 2 + 4 + 6 + ... + 96 =?
Calculate: 2016-2013+2010-2007+2004-.....-9+6-3
Calculate: 2016-2013+2010-2007+2004-.... -9+6-3
calculate:2016-2013+2010-2007+2004-...-9+6-3
Lesson 1: Trapezoid sheet has a large bottom 2.8dm, baby bottom 1.6dm, height 0.8dm.
a) Calculate the area of the cardboard?
b) Cut a quarter of the area. Calculate the area of the cardboard remaining?
Lesson 2: ABCD rectangle with DC length = 27cm, AD = 20.4cm. E is a point on AB. Calculate the area of the triangle ECD?
Lesson 3: (HSKG): A trapezoidal field with a baby bottom 26m, the bottom is 8m lower than baby, the bottom is 6m lower. Average 100m2 harvested 70.5 kg paddy. How much is the field harvested?
calculate: 1 2/5 x 3 5/7 = A/5 The value of A is?
Calculate: S = 12/10 + 12/40 + 12/88 + 12/154 + 12/238 + 12/340 =...
Calculate: 1/2x3+1/3x4 + 1/4x5+...+1/98 x 99 = A /198 Answer: A =