①21×16÷14+76
②9- -
③ ×0.8×12.5
④48×( + - )
⑤7.6×9.4- +7.6×1.6
⑥ ×[ ÷(0.4- )]
①2-- ②2.5×4÷2.5×4 ③436+785﹣136 ④15÷[(-)×]
①15.3+6.72+5.7+23.28
②×+÷
③0.6×7.1+2.9×
④48×(﹣)