35.7 x 99 + 35 + 0.7.........................................................................................................................................................................................................................17.34 x 99 + 18 - 0,66......................................................................................................................................................................................................(Tính...
Đọc tiếp
35.7 x 99 + 35 + 0.7
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17.34 x 99 + 18 - 0,66
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(Tính nhanh)
A = 35 , 7 x 99 + 35 + 0 , 7
A = 35 ,7 x 99 + 35 , 7
A = 35 , 7 x ( 99 + 1 )
A = 35 , 7 x 100
A = 3570
B = 17 , 34 x 99 + 18 - 0 , 66
B = 17 , 34 x 99 + 17 , 34
B = 17 , 34 x ( 99 + 1 )
B = 17 , 34 x 100
B = 1734
35.7*99+[35+0.7]
=35.7*99+35.7
=35.7*[99+1]
=3570