............................=200,3
1) 46,2*1,5=69,3
2) 7,3 - 5 3/7=7 3/10 - 5 3/7=7 21/70 - 5 30/70=6 91/70 - 5 30/70=1 61/70
3) 1 61/70 * (-70)= - 131/70 * 70= - 131
4) 69,3 - (-131)=69,3+131=200,3
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Answers & Comments
............................=200,3
1) 46,2*1,5=69,3
2) 7,3 - 5 3/7=7 3/10 - 5 3/7=7 21/70 - 5 30/70=6 91/70 - 5 30/70=1 61/70
3) 1 61/70 * (-70)= - 131/70 * 70= - 131
4) 69,3 - (-131)=69,3+131=200,3