Question

a x 200 = 3 200
336 + b = 1180
40 c = 520
d: 18 = 1800​

Answer 1

Explicație pas cu pas:

a ×200=3 200

a=3 200:200

a=16

v:16×20=3 200

336+b=1 180

b=1 180-336

b=844

v:336+844=1 180

40xc=520

c=520:40

c=13

v:40×13=520

d:18=1 800

d=1 800×18

d=32 400

v:32 400:18=1 800