题目内容

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