简便计算 (1)8.23-(4.56-1.77)-1.34 (2)(3*0.5/3*0.5)*(2-1.8+0.2)(3
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/10/10 03:31:50
简便计算
(1)8.23-(4.56-1.77)-1.34 (2)(3*0.5/3*0.5)*(2-1.8+0.2)
(3)1.05*(3.8-0.8)/6.3 (3)1+1/3-7/12+9/20-11/30+13/42-15/56
(1)8.23-(4.56-1.77)-1.34 (2)(3*0.5/3*0.5)*(2-1.8+0.2)
(3)1.05*(3.8-0.8)/6.3 (3)1+1/3-7/12+9/20-11/30+13/42-15/56
(1)8.23-(4.56-1.77)-1.34
=8.23-4.56+1.77-1.34
=(8.23+1.77)-(4.56+1.34)
=10-6
=4
(2)(3*0.5/3*0.5)*(2-1.8+0.2)
=(3/3*0.5*0.5)*0.4
=0.25*0.4
=0.1
=8.23-4.56+1.77-1.34
=(8.23+1.77)-(4.56+1.34)
=10-6
=4
(2)(3*0.5/3*0.5)*(2-1.8+0.2)
=(3/3*0.5*0.5)*0.4
=0.25*0.4
=0.1
简便计算 (1)8.23-(4.56-1.77)-1.34 (2)(3*0.5/3*0.5)*(2-1.8+0.2)(3
简便计算:1+2+3+.+40=
1+2+3+...+999的简便计算
能简便计算的简便计算:【1-(1-2/3/2/3)】*7/18
1/13+12/13*(5/2-1/3)可以简便计算就简便计算
(5/7)+(1/8)+(3/8)+(2/7)简便计算 6.4X101简便计算
计算:(2/5+1/3)*5/22,能简便的要简便计算
1、(0.18+12.74除以7)乘0.5的简便计算 2、3.84乘0.84+0.616乘8.4的简便计算 3、0.92
0.85*0.5 0.25*3怎么简便计算
3/7-0.5+12-11.5简便计算
简便计算 20(-3)^2+60(-3)
0.8×3分之2×80% 简便计算