\(10\left(81+19\right)+100+50\left(91+9\right)\)\(=10.100+100+50.100\)\(=100\left(10+1+50\right)\)\(=6100\)
\(10\left(81+19\right)+100+50\left(91+9\right)\)\(=10.100+100+50.100\)\(=100\left(10+1+50\right)\)\(=6100\)
tính nhanh
3) 14.35.5+10.25.7+20.7
4) 15(27+18+6)+ 15(23.12)
5) 24(15+49)+12(50+42)
6) 10(81+19)+100+50(91+9)
7) 53(51+4)+53(49+96)+53
8)42(15+96)+6(25+4).7
9) 45(13+78)+9(87+22).5
10) 16(27+75)+8(53+25).2
giúp mik nhé các bạn mong các bạn giúp đỡ
10.( 81+19) + 100 + 50.( 91+9 ) = ?
tính nhanh
3) 14.35.5+10.25.7+20.7
4) 15(27+18+6)+ 15(23.12)
5) 24(15+49)+12(50+42)
6) 10(81+19)+100+50(91+9)
giúp mik với ạ
tính nhanh
3) 14.35.5+10.25.7+20.7
4) 15(27+18+6)+ 15(23.12)
5) 24(15+49)+12(50+42)
6) 10(81+19)+100+50(91+9)
tính nhanh
3) 14.35.5+10.25.7+20.7
4) 15(27+18+6)+ 15(23.12)
5) 24(15+49)+12(50+42)
6) 10(81+19)+100+50(91+9)
bài 1: tính nhanh
14.35.5+10.25.7+20.70
15.(27+18+6) + 15.(23+12)
24.15+49) + 12.(50+42 )
10.(81+19) + 100 + 50 .(91+9)
53.(51 +4) +53 .( 49+96) 53
Tính nhanh.
a,15.37.4+120.21+21.5.12
b,15(27+18+6) + 15(23+12)
c,10(81 + 19) +100 + 50( 91+ 9)
d,42(15 + 6) + 6(25 +4).7
Tính nhanh.
a,15.37.4+120.21+21.5.12
b,15(27+18+6) + 15(23+12)
c,10(81 + 19) +100 + 50( 91+ 9)
d,42(15 + 96) + 6(25 +4).7
15*37*4+120*21+21*5*12
15*(27+18+6)+15*(23+12)
10*(81+19)+100+50*(91+9)
42*(15+96)+6*(25+4)*7
16*(27+75)+8*(53+25)*2