计算下列各题(1)-1.5+1.4-(-3.6)-4.3+(-5.2)(2) (- 3 7 )×0.125×(-2 1 3 )
计算下列各题(1)-1.5+1.4-(-3.6)-4.3+(-5.2)(2)(-37)×0.125×(-213)×(-8)(3)(-48)÷74÷(-12)×74(4)5...
计算下列各题(1)-1.5+1.4-(-3.6)-4.3+(-5.2)(2) (- 3 7 )×0.125×(-2 1 3 )×(-8) (3)(-48)÷ 7 4 ÷(-12)× 7 4 (4)5÷[ 1 2 -(-1+ 2 3 )]×4.
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(1)-1.5+1.4-(-3.6)-4.3+(-5.2) =(-1.5-4.3-5.2)+(1.4+3.6) =-11+5 =-6; (2) (-
=-(
=-1×1 =-1; (3)(-48)÷
=(48×
=4×1 =4; (4)5÷[
=5÷[
=5÷
=6×4 =24. |
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