Tính: a) 38,6 + 42,78 * 1,6 : 0,001 ; b) 4,36 + 13,734 : 13,08 -1,82
Giải thích
a)
38,6+42,78×1,6:0,001=38,6+42,78×1600=38,6+68448=68486,6
b)
4,36+13,734:13,08−1,82=4,36−1,82+1,05=2,54+1,05=3,59
a)
38,6+42,78×1,6:0,001=38,6+42,78×1600=38,6+68448=68486,6
b)
4,36+13,734:13,08−1,82=4,36−1,82+1,05=2,54+1,05=3,59