(II) 1,2times 3= (12) 1,2times 10= (13) 1,2times 30= (14) 0,42times 2= (15) 0,42times 10= (16) 0,42times 100= (17) 0,42times 200= (18) 3,6div 3=1,2 (19) 3,6div 30= (20) 3,6div 300=

(II) $1,2\times 3=3,6$<br />(12) $1,2\times 10=12$<br />(13) $1,2\times 30=36$<br />(14) $0,42\times 2=0,84$<br />(15) $0,42\times 10=4,2$<br />(16) $0,42\times 100=42$<br />(17) $0,42\times 200=84$<br />(18) $3,6\div 3=1,2$<br />(19) $3,6\div 30=0,12$<br />(20) $3,6\div 300=0,012$