( + )× +
( ﹣ + )÷
5× +14÷4﹣19×0.25
5.68﹣0.73﹣0.27
3.25×3.8+67.5×0.38
8×43×125
0.22=
6.8+1.28=
0.5÷0.25=
50×30%=
1﹣1÷7=
6÷=
×24=
2008﹣199=
+=
2.5×0.7×0.4=
①×4.5+6.5×80%﹣0.8
②4×0.8×25%×12.5
③[﹣(﹣)]÷
④2022×
①
②36×()
③
④
⑤3.24×0.76+3.24×0.24
⑥
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