Упражнения. 37 и 39

Question

Упражнения. 37 и 39

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Answer 1

658*11=658*10+658*1= 6580+658= 7238
443*21= 443*20+443*1= 8860+443= 9303
322*33=322*30+322*3= 9660+966= 10626
1212*34= 1212*30+1212*4= 36360+4848= 41208

39) 368*25= 368*20+368*5= 7360+1840= 9200