3.5x1.98简便计算

郝居盼1329三点5*198的简便运算 -
仇缸薛13745434257 ______ 3.5x198 =3.5x(200-2)=3.5x200-3.5x2=700-7= 693 希望帮到你 望采纳 谢谢 加油

郝居盼13293.5x0.99十0.35x0.1的简便方法 -
仇缸薛13745434257 ______ 原式 =3.5x0.99+3.5x0.01 =3.5x(0.99+0.01) =3.5x1 =3.5 供参考.

郝居盼13293.5x98+35xo.2的简便计算 -
仇缸薛13745434257 ______ 3.5x98+35xo.2 =3.5x98+3.5x2 =3.5*(98+2) =3.5*100 =350

郝居盼13293.5x0.18+0.35x8.2的简便计 算? 急急急!!!!!!! -
仇缸薛13745434257 ______ 3.5x0.18+0.35x8.2 =(3.5/10)x(0.18x10)+0.35x8.2 =0.35x1.8+0.35x8.2 =0.35x(1.8+8.2) =0.35x10 =3.5 谢谢

郝居盼13293.25+1.98简便计算 -
仇缸薛13745434257 ______ 3.25+1.98 =3.25+1.75+0.23=5+0.23= 5.23

郝居盼13293.5X9.8X0.2怎么简便运算 -
仇缸薛13745434257 ______ 3.5x9.8x0.2=3.5x0.2x9.8=0.7x9.8=6.86

郝居盼13293.5x(12+9.8)的简便运算 -
仇缸薛13745434257 ______ =3.5*10+3.5*2+3.5*10-3.5*0.2 =35+7+35-0.7 =77-0.7 =76.3 希望能帮到你!

郝居盼1329能简便的用简使方法计算? -
仇缸薛13745434257 ______ 3.5x0.4+3.5X0.6 =3.5x(0.4+0.6) =3.5x1 =3.5

郝居盼13293.5x9.9十0.352简便计算 -
仇缸薛13745434257 ______ 3.5*9.9+0.352=0.35*99+0.35+0.002=0.35*(99+1)+0.002=0.35*100+0.002=35+0.002=35.002

郝居盼13293.5*0.98简便计算
仇缸薛13745434257 ______ 解:3.5x0.98=3.5x(1-0.02)=3.5x1-3.5x0.02=3.5-0.07=3.43