计算,能简算的要简算(这一题在作业纸上完成).
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| (1)(300-1456÷26)×32 =(300-56)×32 =244×32 =7808 (2)4620+(401-438÷73) =4620+(401-6) =4620+395 =5015 (3)9999+998+97+6 =(9999+1)+(998+2)+(97+3) =10000+1000+100 =11100 (4)25×38×4 =25×4×38 =100×38 =3800 (5)135×99 =135×(100-1) =135×100-135 =13500-135 =13465 (6)235-135÷5 =235-27 =198 (7)49×99+49 =49×(99+1) =49×100 =4900 (8)125×(8+4) =125×8+125×4 =1000+500 =1500 (9)125×32×25 =(125×8)×(4×25) =1000×100 =100000 (10)5620÷(562×5) =5620÷562÷5 =10÷5 =2 (11)97-12×6+43 =97-72+43 =25+43 =68 (12)175+25÷25+15 =175+1+15 =175+15+1 =191 (13)156×l0l-156 =156×(101-1) =156×100 =15600
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