(1)0.3+9.7×0.23
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/07/14 07:33:00
(1)0.3+9.7×0.23
(2)91.6-3.8-6.62
(3)1.03×(8.8÷0.25)
(4)2.23×7.5-2.23+3.5×2.23
(5)1.2÷[(5.1-3.6)×0.08]
(6)99.9+9.9+0.9+0.3.
(2)91.6-3.8-6.62
(3)1.03×(8.8÷0.25)
(4)2.23×7.5-2.23+3.5×2.23
(5)1.2÷[(5.1-3.6)×0.08]
(6)99.9+9.9+0.9+0.3.
(1)0.3+9.7×0.23,
=0.3+2.231,
=2.531;
(2)91.6-3.8-6.62,
=87.8-6.62,
=81.18;
(3)1.03×(8.8÷0.25),
=1.03×35.2,
=36.256;
(4)2.23×7.5-2.23+3.5×2.23,
=2.23×(7.5-1+3.5),
=2.23×10,
=22.3;
(5)1.2÷[(5.1-3.6)×0.08],
=1.2÷[1.5×0.08],
=1.2÷0.12,
=10;
(6)99.9+9.9+0.9+0.3,
=(100-0.1)+(10-0.1)+(1-0.1)+0.1,
=111-0.3+0.3,
=111.
=0.3+2.231,
=2.531;
(2)91.6-3.8-6.62,
=87.8-6.62,
=81.18;
(3)1.03×(8.8÷0.25),
=1.03×35.2,
=36.256;
(4)2.23×7.5-2.23+3.5×2.23,
=2.23×(7.5-1+3.5),
=2.23×10,
=22.3;
(5)1.2÷[(5.1-3.6)×0.08],
=1.2÷[1.5×0.08],
=1.2÷0.12,
=10;
(6)99.9+9.9+0.9+0.3,
=(100-0.1)+(10-0.1)+(1-0.1)+0.1,
=111-0.3+0.3,
=111.
(1+0.23+0.34)*(0.23+034+0.56)-(1+0.23+0.34+0.56)*(0.23+0.34)
(1+0.23+0.34)×(0.23+0.34+0.56)-(1+0.23+0.34+0.56)×(0.23+0.34
(1+0.12+0.23)×(0.12+0.23+0.34)-(1+0.12+0.23+0.34)×(0.12+0.23
(1+0.23+0.34)×(0.23+0.34+0.65)-(1+0.23+0.34+0.65)×(0.23+0.34
计算:(1+0.23+0.34)*(0.2903+0.34+0.56)-(1+0.23+0.34+0.56)*(0.23
1、19.9--9.7+9.6--9.4+9.3--9.1+(省略号)+0.3--0.1 2、明明跟灰灰赛跑 规定为10
9.7厘米是1米的()
比较下列各组数的大小(1)1.5^-π,1.5^-3(2)0.7^-0.3,0.7^-2.3(3)0.23^-2.3,0
1.(1十0.23十0.34)*(0.23十0.34十0.56)一(1十0.23十0.34十0.56)*(0.23十0.
简便运算(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.2
(1)28-[19.08+(3.2-0.299÷0.23)]×0.5
0.1+0.2+0.3+0.4+...+9.7+9.8=