下面各题可以怎样算?与同学交滚
更新时间:2021-09-15 20:13:18•作者:LETICIA•阅读 3819
- 下面各题,怎样算简便,就怎样算37.62+
- 计算下面各题怎么计算
- 下面各题怎样算简便就怎样算。 45.68-(7.84+8.16) 1.83+2.51-0.83
- 下面各题怎样算简便就怎样算88.51-9.06-0.94 &...

下面各题,怎样算简便,就怎样算37.62+
下面各题,怎样算简便,就怎样算37.62+(37.62+20.76)÷0.042
37.62+(37.62+20.76)÷0.042
=37.62+58.38÷0.042
=37.62+1390
=1427.62
直接计算的
计算下面各题怎么计算
这样的题,是一道混合运算题,按照混合运算规律:有加减乘除的混合运算,应该先算乘除后算加减。即
35+3×7
=35+21
=56
下面各题怎样算简便就怎样算。 45.68-(7.84+8.16) 1.83+2.51-0.83
45.68-(7.84+8.16)=45.68-16=29.68
下面各题怎样算简便就怎样算88.51-9.06-0.94 &...
(1)88.51-9.06-0.94,
=88.51-(9.06+0.94),
=88.51-10,
=78.51;
(2)132+16.4+268+23.6,
=(132+268)+(16.4+23.6),
=400+40,
=440;
(3)3.028-20.44+66.972,
=(3.028+66.972)-20.44,
=70-20.44,
=49.56;
(4)55.27+8.236-5.27,
=(55.27-5.27)+8.236,
=50+8.236,
=52.236;
(5)64.6-3.46+5.4-6.54,
=(64.6+5.4)-(3.46+6.54),
=70-10,
=60;
(6)64.3-18.75+15.7-11.25,
=(64.3+15.7)-(18.75+11.25),
=80-30,
=50.
