Toán Lớp 7: Tính
0,5+3/16- -3/4
2/3-(2-1/3)+3/2+(0,75)
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Toán Lớp 7: Tính
0,5+3/16- -3/4
2/3-(2-1/3)+3/2+(0,75)
Comments ( 1 )
= 1/2 + 3/16 + 3/4
= 8/16 + 3/16 + 12/16
= 23/16
2/3 – (2 – 1/3) + 3/2 + (0,75)
= 2/3 – 2 + 1/3 + 3/2 + 3/4
= (2/3 + 1/3) – 2 + 6/4 + 3/4
= 1 – 2 + 9/4
= -1 + 9/4
= -4/4 + 9/4
= 5/4