早教吧作业答案频道 -->数学-->
简算①925-(337+0.4)②1.8×14+2.2×25%③11×3+13×5+15×7+…+117×19+119×21.
题目详情
简算 ①9
②1.8×
③
|
▼优质解答
答案和解析
①9
=9
=9
=9-3
=5
②1.8×
=1.8×0.25+2.2×0.25, =(1.8+2.2)×0.25, =4×0.25, =1; ③
=
=
=
=
=
|
看了 简算①925-(337+0....的网友还看了以下:
6.3÷0.021=1.5÷0.03=0.43×5=0.7×8-0.6=72÷24=5×0.7=6 2020-04-07 …
3.4-1.4= 7.82-7.2= 2.19+9.1= 10.1-0.89= 0.68+0.42 2020-05-15 …
ansys直接建立有限元模型问题finish/clear/prep7n,1,0,0,0n,2,0, 2020-05-17 …
如果有理数a,b满足|ab-2|+|1-b|=0.试求1/ab+1/(a+1)(b+1)+1(a+ 2020-07-09 …
1.0.3:12=2.0.25:4=3.2.8:0.7=4.2.1:1.2=5.0.1:0.8=6 2020-07-17 …
口算3.6÷1.8=4.71-0.8=2.5-2.5÷5=0÷3.15=0.175÷0.25÷4= 2020-07-18 …
口算5×0.9=0.42÷7=0.4÷8=3.9×0=86÷0.1=30×0.05=20+12.3 2020-07-19 …
直接写出得数7.98+0.3=5-2.6=1.4×0.5=3.2÷0.16=1÷0.25=0.7×0 2020-11-19 …
直接写出得数6.3÷9=4.2÷2.1=8-2.6=4×1.5=0.32+0.8=1.7+0.25= 2020-11-19 …
火眼金睛辨对错.(1)0.2×5表示5个0.2相加.(2)0.03+0.03+0.03+0.03=4 2020-11-23 …