0.03 0.56 0.030 0.5 0.384
27.4÷100=
3.7+14.8=
0.75÷15=
9.5+2.5=
6.09-5.4=
10.6×0.9=
3.5×0.2=
2.5×9×0.4=
10-2.2=
5.65÷0.01=
9.1÷13=
3.76÷0.2÷0.5=
3.2÷0.25=
0.22+0.38=
8.8-7.9=
(2.5+5.2)÷11=
①100-2.28×1.5
②5.4+4.6×0.5
③12.5×8.8
④50+2.8×38-28.5÷15
②
③
④
⑤
873000=万 202 =万
30600000=亿 5120000=亿