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