1 câu trả lời
Bài 1;
a) 20+ 15; 20-15;20*15;20*5; 20/5;20^5
b) 20+15*4; (20+15)*4; (20-15)*4; 20-(15*4)
c) 144/6-3*5; 144/(6-3)*5; (144/6-3)*5
d) 15^2 /4;(2+7)^2/7;( 32-7)^2 -( 6+5)^3; (188-12^2)/7.
xong r nhé
Bài 1;
a) 20+ 15; 20-15;20*15;20*5; 20/5;20^5
b) 20+15*4; (20+15)*4; (20-15)*4; 20-(15*4)
c) 144/6-3*5; 144/(6-3)*5; (144/6-3)*5
d) 15^2 /4;(2+7)^2/7;( 32-7)^2 -( 6+5)^3; (188-12^2)/7.
xong r nhé
