来自宋大为的问题
(4.16×84-2.08×54-0.15×832)÷(0.3)2=______.
(4.16×84-2.08×54-0.15×832)÷(0.3)2=______.
1回答
2020-04-30 14:31
(4.16×84-2.08×54-0.15×832)÷(0.3)2=______.
(4.16×84-2.08×54-0.15×832)÷(0.3)2=______.
(4.16×84-2.08×54-0.15×832)÷(0.3)2
=(4.16×84-2.08×2×27-0.15×100×2×4.16)×0.09;
=(4.16×84-4.16×27-15×2×4.16)÷0.09;
=4.16×(84-27-30)÷0.09;
=4.16×27÷0.09;
=4.16×300;
=1248.