(815÷0.32−79×0.375)÷138
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/09/30 18:28:24
(
÷0.32−
×0.375)÷1
8 |
15 |
7 |
9 |
3 |
8 |
(1)(
8
15÷0.32-
7
9×0.375)÷1
3
8
=(
8
15÷
8
25-
7
9×
3
8)÷1
3
8
=(
8
15×
25
8-
7
9×
3
8)÷1
3
8
=(
5
3-
7
24)×
8
11
=
33
24×
8
11
=1;
(2)(0.5+0.25+0.125)÷(0.5+0.25+0.125)=1;
(3)139×
137
138+137×1
1
138
=137×
139
138+137×
139
138
=137×
139
138×2
=
19043
69;
(4)1-3+5-7+…-99+101
=1+(5-3)+(9-7)+(13-11)+…+(101-99)
=1+2×25
=51.
8
15÷0.32-
7
9×0.375)÷1
3
8
=(
8
15÷
8
25-
7
9×
3
8)÷1
3
8
=(
8
15×
25
8-
7
9×
3
8)÷1
3
8
=(
5
3-
7
24)×
8
11
=
33
24×
8
11
=1;
(2)(0.5+0.25+0.125)÷(0.5+0.25+0.125)=1;
(3)139×
137
138+137×1
1
138
=137×
139
138+137×
139
138
=137×
139
138×2
=
19043
69;
(4)1-3+5-7+…-99+101
=1+(5-3)+(9-7)+(13-11)+…+(101-99)
=1+2×25
=51.
(815÷0.32−79×0.375)÷138
(58−0.375+712)×24−12÷(325+0.6)
(8/15÷0.32-7/9×0.375)÷11/8简便运算
1、(8/15÷0.32-7/9×0.375)÷1 又3/8=
15分之8除以0.32减9分之7×0.375÷一有八分之三
3.64÷1.25÷0.32简便计算
−18÷(−3)
简便12.5×0.32×2.5 (1-0.95)÷0.01 9分之5-8分之5+9分之4-0.375 3.72×99+3
25.5×(0.32÷0.4)+8.6简便计算
0.375÷0.025如何简算
3.64÷1.25÷0.32的简单的算
138×27÷69×50等于多少