乘除法的解答方式 (1)
DESCRIPTION
matematikTRANSCRIPT
1.-i. -ii.
i. A 5 =15
A
A A = 3ii.
A5155
A=5A = 32.
1 1 6 7 2 5 0x 1 21 3 4 5 0 06 7 2 5 08 0 7 0 0 0
3.
1.
375 P = 25-i) -ii)
P = 152.
DESCRIPTION
matematikTRANSCRIPT
1.-i. -ii.
i. A 5 =15
A
A A = 3ii.
A5155
A=5A = 32.
1 1 6 7 2 5 0x 1 21 3 4 5 0 06 7 2 5 08 0 7 0 0 0
3.
1.
375 P = 25-i) -ii)
P = 152.