Ответ:
1.-4.92.(-0.5)=4×92×0,5=2×92=184
2.-0,4×2500×(-0,5)×0,2=1000×0,5×0,2=100
3.7/12+(-7,2)×0,4×(-1.6/7)=3/5×2/5=3,12
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Ответ:
1.-4.92.(-0.5)=4×92×0,5=2×92=184
2.-0,4×2500×(-0,5)×0,2=1000×0,5×0,2=100
3.7/12+(-7,2)×0,4×(-1.6/7)=3/5×2/5=3,12