6.56.05 96g0.96kg
2.0702.07 346839000034.684亿
4×25= 1.06×1000= 53+47= 7.82×100=
75÷3= 8.9÷100= 200÷5= 35.8÷1000=
①641-228-172
②25×361×4
③23×58+77×58
④132+53+268+147
⑤2700÷125÷8
⑥47×[500÷(35-10)]