2/5 × (-3/7) -1/6 × 3/2 + 1/4 × 2/5
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Step-by-step explanation:
2/5=0.4
*
(-3/7)=-0.42
-
1/6=0.67
*
3/2=1.5
+
1/4=0.25
*
2/5=0.4
________
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