Đáp án:a)3,6x87,2+12,8x3,6=3,6x(12,8+87,2)=3,6x100=360
b)73,2:x=5x0,6
73,2:x=3
x=73,2:3
x=24,4
Giải thích các bước giải:
Đáp án:
1. Tính nhanh
3,6×87,2+12,8×3,6
=3,6×(87,2+12,8)
=3,6×10=36
2 Tìm x
73,2:x=5×0,6
X=73,2:3
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(x+3)^2+(y-2)^2=5 Trả lời giúp mik nhé
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