1- Arme e efetue : VALE 14 PONTOS - ME AJUDE
a) 1.554 x 40
b) 2.345 x 12
c) 15.830 x 8
d) 12.802 x 15
e) 10.836 x 100
f) 8.560 x 1000
a) 1.554 x 40
b) 2.345 x 12
c) 15.830 x 8
d) 12.802 x 15
e) 10.836 x 100
f) 8.560 x 1000
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b)=> 2345 x 12 = (10 x 2345) x 2 = 23450 x 2 = 304.140
c) => 15830 x 8 = (15830 x 10) - (15830 x 2) = 158300 - 31660 = 126.640
d) => (12802 x 30)/2 = 384060/2 = 192.030
e) => 10.836 x 100= 1083600 x 1 = 1.083.600
f) 8560 x 1000 = 8560000 x 1 = 8.560.000
a) 1.554
x40
0000
6216
62160
b)2.345
x12
2690
4345
46140
c)15.830
x8
126640
d)12.802
x15
94010
12802
222030
e)10.836
x100
00000
00000
10836
10836
f)8.560
x1000
0000
0000
0000
8560
856000