Toán Lớp 3: tính nhanh 44 x 5+18 x10+20 x 5.Giúp mình vớiiiiiiiiiiiiiiiiiiiiiiiiiiii
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Toán Lớp 3: tính nhanh 44 x 5+18 x10+20 x 5.Giúp mình vớiiiiiiiiiiiiiiiiiiiiiiiiiiii
Comments ( 2 )
44 xx 5 + 18 xx 10 + 20 xx 5
= 44 xx 5 + 18 xx 5 xx 2 + 20 xx 5
= 44 xx 5 + ( 18 xx 2) xx 5 + 20 xx 5
= 44 xx 5 + 36 xx 5 + 20 xx 5
= ( 44 + 36 + 20) xx 5
= 100 xx 5
= 500
#caty09
Mong cho lời giải hay nhất ❤️⭐️
