①1﹣
+
= ②1
×= ③1÷0.05×1.2= ④（
+
）×12= ⑤3.48+7.52=
⑥3.14÷
×20= ⑦1.25×
= ⑧12﹣
= ⑨390×0.01= ⑩
+
+
=
①1﹣+= ②1×= ③1÷0.05×1.2= ④（+）×12= ⑤3.48+7.52=
⑥3.14÷×20= ⑦1.25×= ⑧12﹣= ⑨390×0.01= ⑩++=
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