50 times 7=350
(-2)+(-3)+(-5)+(-3)=- 13
1+5+6= 12
13 is greater than 12, 13- 12= 1.
350- 1=349 (kg)
349 times 4= 1396 (yuan)
Answer: * * * 349 Jin, a *** 1396 yuan.
Hope to adopt! Thank you.
97+95+86+96+94+93+87+88+98+91= 925 (kg)
90 times 10=900 (kg)
925 is greater than 900
925-900=25 (kg)
Answer: * * * 925 kg, exceeding the standard by 25 kg.
Hope to adopt! Thank you.