题目内容

【题目】

﹣2.7= 14×= ÷5=

1= = =

= = =

= = =

= 24= =

= = =

= = =

= = =

= = =

= = =

0.25×8= 3.4﹣= +0.5=

10.5﹣1.05= = 10.01÷10%=

1.5×= 80%= 1×9=

=

【答案】1.1,4,;4,,0,6;6,0,,64,,3,6,4;0,2,,86;3,;2,2.4,;9.45,,100.1;0.9,1,81;

【解析】

试题分析:,根据0乘任何数都得0来计算;运用加法交换律简算;,3.4﹣根据连续减去两个数等于减去这两个数的和简算;其它混合运算的题目按照运算顺序直接计算.

解:﹣2.7=1.1, 14×=4, ÷5=

1=4, ==0,

=6==

=6, =0, =

=, 24=64, =

==3=

==6=4

=0, =2, =

===86,

=3, ==

0.25×8=2, 3.4﹣=2.4, +0.5=

10.5﹣1.05=9.45, =, 10.01÷10%=100.1,

1.5×=0.9, 80%=1, 1×9=81,

=

故答案为:1.1,4,;4,,0,6;6,0,,64,,3,6,4;0,2,,86;3,;2,2.4,;9.45,,100.1;0.9,1,81;

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