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答案
(1)103×(38-26)=1296
(2)98+42÷14=101
(3)(99-15)÷3=28
(4)(360+140)÷2÷50=5
(5)(60+40)÷(60-40)=5
(6)(6968-864)÷56=109
(7)(78+52)×(78-52)=2860
(8)113-1856÷32=55
(9)109×14+283=1809
(10)68×(243-218)=1700
(11)(610-29)÷83=7
(12)(58-28)÷6=5
(13)9500-12×30=9140
(14)(527-11)×12=6192
(15)264+500=764
(16)952÷(185-168)=56
(17)(6968-864)÷56=109
(18)25×240-1000=5000