Efectuează respectând regulile învăţate: a) 375+96+100+848=? b) 435:5x3x2:2=?
c) 180:2+[(50x2:10+90)+10-25x4]=?
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a) 375+96+100+848=
471+100+848=
571+848=
1419
b) 435:5x3x2:2=
435:5x3x1=
435:5x3=
87x3=
261
c) 180:2+[(50x2:10+90)+10-25x4]=
180:2+[(100:10+90)+10-25x4]=
180:2+(10+90)+10-25X4=
180:2+100-10-100=
90+100-10-100=
190-10-100=
180-100=
80
471+100+848=
571+848=
1419
b) 435:5x3x2:2=
435:5x3x1=
435:5x3=
87x3=
261
c) 180:2+[(50x2:10+90)+10-25x4]=
180:2+[(100:10+90)+10-25x4]=
180:2+(10+90)+10-25X4=
180:2+100-10-100=
90+100-10-100=
190-10-100=
180-100=
80
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