﹙1﹚5.6×0.375+3/8×5.4-0.375×0.9简便计算 ﹙2﹚325×0.36+6.75×36 ﹙3﹚18又2/3-4.59-6.41-1又1/3

问题描述:

﹙1﹚5.6×0.375+3/8×5.4-0.375×0.9简便计算 ﹙2﹚325×0.36+6.75×36 ﹙3﹚18又2/3-4.59-6.41-1又1/3
﹙4﹚10又1/6-﹙11/4÷11/8+2/3×1又1/4﹚

(1)原式=(5.6+5.4-0.9)*0.375=3.75+0.0375=3.7875
(2)=(3.25+6.75)*36=360
(3)=18又2/3-1又1/3-(4.59+6.41)=17+1/3-10=7又1/3第四个呢?(4)=10又1/6-(2+5/6)=7又1/3(3)18又2/3-1又1/3-(4.59+6.41)=17+1/3-11=6又1/3