Tính: a, 38,6 + 42,78 x 1,6 : 0,001 d, 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=68486,6b,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=68486,6b,4,36+13,734:13,08−1,82=4,36−1,82+1,05=2,54+1,05=3,59