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下面各题可以怎样算?与同学交滚

下面各题可以怎样算?与同学交滚

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.