1) 3×(-4)(-4)-(1/3)(1/3)-4×(-1/15)-0,2=47 9/10
1. -4×-4=16
2. 1/3×1/3=1/6
3. 3×16=48
4. 4×(-1/15)=-4/15
5. 48-1/6= 47 5/6
6. 47 5/6 -(-4/15)=47 25/30+8/30=47 33/30
7. 47 33/30 -1/5 47 33/30-6/30=47 27/30=47 9/10
2. 1+(-0,6)+2/3+(-0,3)=23/30
1. 1+(-0,6)= 0,4
2. 2/5+2/3=6/15+10/15=16/15
16/15+(-3/10)= 32/30+(-9/30)=23/30
3.5-(-4)3-3×(-2)2-(1/2)3=80 7/8
-4×(-4)×(-4)=-64
-2×(-2)=4
1/2×1/2×1/2=1/8
3×4=12
-64-12=-76
5-(-76)=81
81-1/8=80 7/8