口算:①1000-889=______;②4.5×20%=______;③13-14=______;④1.25×32×25=______;⑤50÷0.02=______;⑥49×27=______;⑦

题目简介

口算:①1000-889=______;②4.5×20%=______;③13-14=______;④1.25×32×25=______;⑤50÷0.02=______;⑥49×27=______;⑦

题目详情

口算:
①1000-889=______;
②4.5×20%=______;
1
3
-
1
4
=______;
④1.25×32×25=______;
⑤50÷0.02=______;
4
9
×27=______;
⑦1÷
1
6
=______;
3
8
-
3
8
÷3=______.
题型:解答题难度:中档来源:不详

答案

①1000-889=111;②4.5×20%=0.9;class="stub"1
3
-class="stub"1
4
=class="stub"1
12
④1.25×32×25=1000;
⑤50÷0.02=2500;class="stub"4
9
×27=12;
⑦1÷class="stub"1
6
=6;
class="stub"3
8
-class="stub"3
8
÷3=class="stub"1
4
故答案为:111,0.9,class="stub"1
12
,1000,2500,12,6,class="stub"1
4

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