Question

математика уравнение​

Answer 1

Ответ:

1) 120*18=9z, 9z=2160, z=2160:9, z=240

2) 304*3=76z, 76z=912,z=912:76, z=12

3) 14.4z=1.2*6, 14.4z=7.2, z=7.2:14,4, z=0.5

4) 8z=3.3*8.8, 8z=33.44, z=33.44:8, z=4.18