1.5×1= 910÷70= 2.2﹣1.9= 6÷7= 435+199=
+= -= ÷= 20×= ×=
x﹣1=0.2
x:=21:
50%x+x=15
4321+500= 13.2-5.2= × = 0.2×1.4=
8÷25%= + = 2.4÷ = ÷ =
(1)24+42=
(2) ﹣ =
(3)0.56÷0.7=
(4) ×0+ =
(5)20%×5=
(6) ×6=
(7)9.9n+0.1n=
(8)1÷0.25÷40=
26+35= 36÷9= 1﹣0.43= 2.5×4= 402﹣299≈
1× = ÷ = + = × = 418+71≈
24×25=×100 1200÷25=÷100
请在下图中用△标出66873646的大致位置,用△标出59138864的大致位置。
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=
7.6+2.4= 9.8﹣1.9= 1﹣35%= =
= 32×25%=