简算：
①57.5﹣14.25﹣15
②102.31×59
③（
×10.68+8.52×
）÷1
④0.1+0.2+0.3+0.4+…+0.9+0.1+0.11+0.12+…+0.98+0.99．
相关试题
直接写出得数
1546﹣998= 7﹣
= 1÷0.375=
﹣3.67﹣1.33=
1.3÷0.26= 25×32×0.125=
+4.9+
+5.1=（
﹣3.75）×
=
+
=
= 15﹣0÷
= 8﹣
﹣
= 90.5×9+90.5=
=
×
÷
= 4+3%= 2.15﹣（1.15﹣0.15）=
=
= 1÷
﹣
=
=
×（
）=
= 2﹣150%=
+
=
+
=
=
×6×
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