Question

b) 2×b ×100-46 ×10=140 c) 81×10-c=4×6 ​

Answer 1

Răspuns:

》2b×100-460=140

200b-460=140

200b=140+460

200b=600

b=600/200

b=3

》81×10-c=24

810-c=24

c=810-24

c=786