0.2 13.2+13.2x4.8-13.2简便记算怎么算

2020-11-24 16:27:36 字数 2367 阅读 2426

1楼:凌月霜丶

0.2×13.2+13.

2x4.8-13.2简便记算怎么算0.

2×13.2+13.2x4.

8-13.2=13.2*(0.

2+4.8-1)

=13.2*4

=52.8

简便计算:10.2x4.8-2x4.8

2楼:匿名用户

简便计算:

10.2x4.8-2x4.8

=(10+0.2)x4.8-9.6

=10x4.8+0.2x4.8-9.6

=48+0.96-9.6

=48.96-9.6

=39.36

3楼:匿名用户

10.2x4.8-2x4.8

=4.8x10+4.8x0.2-9.6

=48+0.96-10+0.4

=38+1.36

=39.36

13.2÷4+13.2×0.25如何简便计算

4楼:匿名用户

13.2÷4+13.2×0.

25=13.2×0.25+13.

2×0.25=13.2×(0.

25+0.25)=13.2×0.

5=6.6

5楼:匿名用户

13.2÷4+13.2×0.25如何简便计算解:13.2÷4+13.2×0.25

=13.2×1/4+13.2×1/4

=13.2×1/4×2

=6.6

2.13—2.13*0.6怎么算才简便?

6楼:匿名用户

2.13-2.13*0.6

=2.13*(1-0.6)

=2.13*0.4

=0.852

2.13一2.13x0.5的简便计算怎么算

7楼:匿名用户

2.13-2.13×0.5

=2.13×(1-0.5)

=2.13×0.5

=(2.13÷2)×(0.5×2)

=1.065×1

=1.065

13.2×5.2+25.7×4.8怎么简便运算

8楼:妙酒

13.2×5.2+25.7×4.8

=13.2x5.2+(13.

2+12.5)x4.8=13.

2x5.2+13.2x4.

8+12.5x4,8=13.2x(5.

2+4.8)+12.5x8x0.

6=13.2x10+100x0.6

=132+60

=182

9楼:璩卫束运骏

4.8×(

)+5.2×(

)=17.8

()×(4.8+5.2

)=17.8

10×(

)=17.8

()=1.78

4.8÷0.24÷2简便计算方法

10楼:昨夜星辰吉日

原式=4.8÷(0.24x2)

=4.8÷0.48

=10供参考。

11楼:佛手

4.8÷0.24÷2

=(4.8÷2.4)x(10÷2)

=2x5=10

12楼:

4.8÷0.24÷2

=4.8÷(0.24x2)

=4.8÷0.48=10

13楼:匿名用户

=4.8÷2÷0.24

=2.4÷0.24=10

0.2×13.2×5的简便计算。

14楼:

0.2×13.2×5

=0.2*5*13.2 乘法交换律

=(0.2*5)*13.2 乘法结合律

=1*13.2

=13.2

15楼:乐为人师

0.2×13.2×5

=0.2×5×13.2

=1×13.2

=13.2

3.2×【(13-2.6)÷2+2.4】 怎么简便计算

16楼:谢绍林高山流水

3.2×【(13-2.6)÷2+2.4】

=3.2*(5.2+2.4)

=3.2*7.6

=24.32