① 1.8×[﹙4.6＋2.4﹚÷0.35] = 1.8 x 7 /0.35= 1.8 x 700/35= 1.8 x 20= 36②0.36×98＋3.6×0.2= 3.6 x 9.8 +3.6x0.2=3.6 x (9.8+0.2)=3.6 x 10=36③﹙11分之3×100分之87﹢100分之73×11分之3﹚÷3％ = 3/11 x (...