1.用简便算法计算下题:(1)981+5×9810+49×98 (2)301×467 = = = =
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/15 21:38:10
1.用简便算法计算下题:(1)981+5×9810+49×98 (2)301×467 = = = =
(3)(10000—1000—100—10)÷10 (4)28+28+28 (5)96+15 (6)45-18+19
= = = =
(1)981+5×9810+49×981
(3)(10000—1000—100—10)÷10 (4)28+28+28 (5)96+15 (6)45-18+19
= = = =
(1)981+5×9810+49×981
![1.用简便算法计算下题:(1)981+5×9810+49×98 (2)301×467 = = = =](/uploads/image/z/3301263-63-3.jpg?t=1.%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%A2%98%EF%BC%9A%EF%BC%881%EF%BC%89981%2B5%C3%979810%2B49%C3%9798+%EF%BC%882%EF%BC%89301%C3%97467+%3D+%3D+%3D+%3D)
(1)981+5×9810+49×981=981+50×981+49×981=(1+50+49)×981=100×981=98100
(2)301×467 =(300+1)×467=300×467+467=140567
(3)(10000—1000—100—10)÷10 =1000-100-10-1= 889
(4)28+28+28=(30-2)×3=90-6=84
(5)96+15 =96+4+11=100+11=111
(6)45-18+19=45+1=46
(2)301×467 =(300+1)×467=300×467+467=140567
(3)(10000—1000—100—10)÷10 =1000-100-10-1= 889
(4)28+28+28=(30-2)×3=90-6=84
(5)96+15 =96+4+11=100+11=111
(6)45-18+19=45+1=46
1.用简便算法计算下题:(1)981+5×9810+49×98 (2)301×467 = = = =
1.用简便算法计算下题:(1)135×99 = = =
用简便算法计算下题 5/4*4+5/2*2+5/1*16=?
9/1{7/1[5/1(3/y+2+4)+6]+8}=1,用简便算法计算.
8X(2-1.4)X0.9=?要求用简便计算 算法算出.
用简便算法计算:49/8-1/2+42/5-1/3+31/8-1/6+58/5=
用简便算法计算下题
用简便算法计算(+132)-(+124)-(+16)+0+(-132)+(+16)=
用简便算法计算 146.75-99.2= 156.8+43.98=
用简便算法计算:1.6×1.25+8=
用简便算法计算:0.125×3.2-0.25×0.16=
1+2+3+4(.100)=求简便算法