用简便方法计算. 5.93-3.8+1.07 8.75-(3.75.
用简便方法计算. 5.93-3.8+1.07 8.75-(3.75...
(1)5.93-3.8+1.07
=(5.93+1.07)-3.8
=7-3.8
=3.2;
(2)8.75-(3.75+0.64)
=8.75-3.75-0.64
=5-0.64
=4.36;
(3)38.67-2.18-11.67
=(38.67-11.67)-2.18
=27-2.18
=24.82;
(4)56.23-2.73-6.23-7.27
=(56.23-6.23)-(2.73+7.27)
=50-10
=40;
(5)28.3+17.6-8.3+2.4
=(28.3-8.3)+(17.6+2.4)
=20-20
=0;
(6)1.75+4.67+2.25
=(1.75+2.25)+4.67
=4+4.67
=8.67.
8.75-(3.75-2.84)的简便计算
8.75-(3.75-2.84)
6.93-(5.93 0.6)用简便方法计算
6.93-(5.93+0.6)
=6.93-5.93-0.6
=1-0.6
=0.4
8.75x101-8.75 用简便方法计算
8.75x101-8.75
=8.75x101-8.75×1
=8.75×(101-1)
=8.75×100
=875
用简便方法计算5.93十9x5.93怎么算。
5.93+9x5.93
=5.93x(1+9)
=5.93x10
=59.3
3.8*99+3.8用简便方法计算
3.8*99+3.8
=3.85*(99+1)
=3.8*100
=380
3.8×99+3.8用简便方法计算~
3.8×99+3.8用简便方法计算
=3.8x(99+1)
=3.8x100
=380
87.5一(8.75一3.25)用简便方法计算
87.5一(8.75一3.25)
=(87.5-7.5)+(3.25-1.25)
=80+2
=82