195÷b=32×6+3; (195×120-1400)÷100-1=

Răspuns :

195÷b= 192+3
195÷b=195
b=195÷195
b=1

(195×120-1400)÷100-1=
(23400-1400)÷100-1=
22000÷100-1=
220-1=
219